15. One of my grandparents ________ born in South Africa.
a. is
b. are
c. was
d. were
Subject is "One" so the verb is "was."
d. were
The correct answer is c. was.
To determine the correct answer, we need to identify the subject of the sentence, which in this case is "One of my grandparents." Since it is referring to a single grandparent, the verb should be in the singular form.
The correct answer is "c. was."
If you're not sure about the answer, you can break down the sentence and evaluate each option:
a. "One of my grandparents is born in South Africa." - Incorrect, as "is" is the present tense of "to be" and does not agree with the singular noun "One."
b. "One of my grandparents are born in South Africa." - Incorrect, as "are" is the plural form of "to be" and does not agree with the singular noun "One."
c. "One of my grandparents was born in South Africa." - Correct, as "was" is the past tense of "to be" and agrees with the singular noun "One."
d. "One of my grandparents were born in South Africa." - Incorrect, as "were" is the past tense plural form of "to be" and does not agree with the singular noun "One."
Therefore, the correct answer is "c. was."