Select the word or phrase that makes the sentence grammatically correct.

1. A tuberculin skin test should be read within 24 hrs. ____ administration.
a. Of
b. Since
c. As
d. From
2. The student ______ for the final exam.
a. Didn’t studied
b. Was studying
c. Studied hardly
d. Would have study
3. My mother and___ went shooing for clothes yesterday.
a. Us
b. Me
c. Myself
d. I
4. She went to the party______ her dislike for the host.
a. Although
b. Even though
c. Despite of
d. In spite of
5. The accident_________ if the motorist had obeyed the speed limit sign.
a. Never would have happened
b. Never would happen
c. Never happened
d. Would happen never
6. She was so mad at her boyfriend, she_____ on him when he called.
a. Terminated
b. Hanged up
c. Yelled
d. Hang up
7. ____ are very ancient people.
a. The chineses
b. Chineses
c. The Chinese
d. Chinese
8. It they ____ that the weather was going to be so bad, they wouldn’t have gone to the beach.
a. Had known
b. Were knowing
c. Knew
d. Known
9. John Kennedy was a senator before he ____ President in 1960.
a. Was electing
b. Elected
c. Had elected
d. Was elected
10. It is required that he ________ the payment immediately.
a. Send
b. Sent
c. Sends
d. Sended

1. a 6. d
2. b 7. d
3. d 8. a
4. b 9. d
5. a 10. a

4, 6, 7 are wrong. The rest are right.

is 4 a, 6 b, 7 c?

4 a, no

6 b, yes
7 c, yes

To answer this question, we need to identify the word or phrase that fits grammatically and logically in each sentence. Here is how you can find the correct answer for each sentence:

1. Sentence: "A tuberculin skin test should be read within 24 hrs. ____ administration."
- To find the correct answer, we need to determine what word or phrase should be used after the blank to complete the sentence.
- By considering the context of the sentence, we can see that the blank is indicating a relationship between the 24-hour time frame and the administration of the tuberculin skin test.
- The most appropriate word to use in this context is "within," which means "inside" or "during the course of."
- Out of the given options, the correct answer is "a. Of."

2. Sentence: "The student ______ for the final exam."
- To find the correct answer, we need to choose the correct verb tense and form that fits the sentence.
- The verb tense used in "The student ______" is in the past tense.
- "Was studying" is the correct past continuous form of the verb "study."
- Out of the given options, the correct answer is "b. Was studying."

3. Sentence: "My mother and___ went shooing for clothes yesterday."
- To find the correct answer, we need to select the pronoun that correctly completes the sentence.

- The pronoun should agree with the subject of the sentence, which is "my mother and ___."
- Since "my mother and ___" refers to a group of people, we need to use the pronoun in the objective case, which is "me" or "us."
- The correct pronoun that matches the context is "us."
- Out of the given options, the correct answer is "a. Us."

(Note: In the given options, "c. Myself" is not the correct pronoun to use in this context.)

4. Sentence: "She went to the party______ her dislike for the host."
- To find the correct answer, we need to determine the coordinating conjunction or phrase that shows the contrasting relationship between the action and the reason given in the sentence.
- The correct phrase to use in this context is "despite" or "in spite of," which means "regardless of."
- Out of the given options, the correct answer is "d. In spite of."

(Note: In the given options, "c. Despite of" is not grammatically correct.)

5. Sentence: "The accident_________ if the motorist had obeyed the speed limit sign."
- To find the correct answer, we need to choose the verb phrase that correctly indicates the hypothetical condition and its consequence in the sentence.
- The correct verb phrase in this context is "never would have happened," which expresses the unreal past condition and its consequence.
- Out of the given options, the correct answer is "a. Never would have happened."

(Note: In the given options, "b. Never would happen," "c. Never happened," and "d. Would happen never" do not correctly convey the intended meaning of the sentence.)

6. Sentence: "She was so mad at her boyfriend, she_____ on him when he called."
- To find the correct answer, we need to consider the context and choose the verb that most accurately represents the action being described.
- The correct verb to use in this context is "hang up," which means "to abruptly end a phone call."
- Out of the given options, the correct answer is "d. Hang up."

(Note: None of the other three options accurately represent the action of ending a phone call.)

7. Sentence: "____ are very ancient people."
- To find the correct answer, we need to choose the correct form of the noun that accurately identifies the group of people mentioned in the sentence.
- The noun "Chinese" should be used as the plural form of "Chinese" to represent the group of people being referred to in the sentence.
- Out of the given options, the correct answer is "d. Chinese."

(Note: In the given options, "a. The chineses," "b. Chineses," and "c. The Chinese" are not grammatically correct.)

8. Sentence: "It they ____ that the weather was going to be so bad, they wouldn’t have gone to the beach."
- To find the correct answer, we need to choose the correct verb form that accurately completes the conditional sentence.
- The correct verb form to use in this context is "had known," which represents the past perfect tense and indicates a condition that was not met in the past.
- Out of the given options, the correct answer is "a. Had known."

(Note: None of the other three options accurately represent the correct verb form for this conditional sentence.)

9. Sentence: "John Kennedy was a senator before he ____ President in 1960."
- To find the correct answer, we need to choose the correct verb form that accurately completes the sentence.
- The correct verb form to use in this context is "was elected," which represents the past tense and matches the subject "John Kennedy."
- Out of the given options, the correct answer is "d. Was elected."

(Note: None of the other options accurately represent the correct verb form for this sentence.)

10. Sentence: "It is required that he ________ the payment immediately."
- To find the correct answer, we need to choose the correct verb form that matches the context of the sentence.
- Since the sentence is in the present tense and is talking about a general requirement, we need to use the base form of the verb.
- The correct verb form to use in this context is "send."
- Out of the given options, the correct answer is "a. Send."

(Note: None of the other options accurately represent the correct verb form for this sentence.)

4, 6, 7 are wrong.