I would say that the answer is 4) la
The noun in the sentence, pizarra, is a female noun (ends with a) and it is singular
Translation:
"Which phrase correctly completes this conversation?
Ana, do you know the history teacher(female)?
Yes, I ____ _________.
A. I know him
B. I know them
C. I know
D. I know her"
The answer would be D.
It means " Do you like it"?
B) grandes, interesantes y caros
They bought gifts (plural), so the adjectives need to be plural as well.
Answer:
2. Juan y yo; nosotros somos
3. Oscar y Flora; ellos son
4. Adrianna; ella es
5. Las turistas; ellas son
6. el chico; él es
7. los conductores; ellos son
8. los señores Ruiz; él es
Explanation:
Just match the words with their masculine or feminine articles. (Los is going to be ellos (except with los señores Ruiz), etc)