can you please help me with these questions

the greatest concern in his life was the prevention of smallpox.
2.1 identify the abstract noun in the above sentence.
A. life
B. largest
C. love
D. smallpox

epidemics broke out frequently and thousands of people died'
2.2 the above sentence is a preposition of
A. Question
B. clause
C. simple sentence
D. compound sentence

he got many awards but chose to live a quiet life.
2.3 choose a word with the same meaning as the underlined word.
A. private
B. fulfilled
C. liked
D. adventurous

jenner performed several more successful experiments.
2.4 gives the opposite meaning of the underlined word
A. one
B. very
C. few
D. infinite

he returned home and resumed work as a doctor
2.5 identify the type of trace that is underlined
A. adverbial phrase of place
B. adverbial phrase of time
C. simple sentence
D. exclamatory sentence

he injected the liquid into his healthy eight-year-old son.
2.6 choose the adjective in the sentence above
A. liquid
B. healthy
C. son
D. injected

he extracted the liquid from...sore on the hand of...farm worker.
2.8 fill in the blanks with the correct article
A. a/the
B. and the
C. serve
D. about/and

edward jenner discovered the inoculation.
2.9 which sentence below is written in the correct passive form?
A. the vaccination was expensive edward jenner discovered.
B. the vaccination discovered edward jenner
C. the inoculation will be discovered by edward jenner
D. the inoculation was discovered by edward jenner

the number of diseases from smallpox has decreased significantly.
2.10 what is the meaning of the underlined word in the above sentence
A. small
B. increase
C. gain
D. rising

2.11 which prefix forms the opposite meaning of the becomes successful
A. un-
B. anti-
C. un-
D. re-

2.12 which sentence contains the correct form of the verb
A. when the next outbreak started, jenner began experimenting
B. when the next outbreak occurred jenner began experimenting
C. when the next outbreak occurred jenner began experimenting
D. when the next outbreak occurred jenner began to experiment

2.1. Abstract noun in the sentence: A. life

2.2. Preposition of the sentence: C. simple sentence
2.3. Word with the same meaning as "quiet": A. private
2.4. Opposite meaning of "several": C. few
2.5. Type of phrase underlined: B. adverbial phrase of time
2.6. Adjective in the sentence: B. healthy
2.8. Correct article to fill in the blanks: A. a/the
2.9. Sentence written in the correct passive form: D. the inoculation was discovered by edward jenner
2.10. Meaning of the underlined word: B. increase
2.11. Prefix that forms the opposite meaning: A. un-
2.12. Sentence containing the correct form of the verb: A. when the next outbreak started, jenner began experimenting