7. The room is dirty. What ______ you ______ (do) just now?　

I ______ (throw) the paper on the floor.

6. _______ Helen like _______ (swim)?　

Yes, she ______. Look, she __________ (swim) now.

5. What _____ the twins _______on Sundays? (do)　

They often ______ (go) to the library.

4. My mother usually ______ (cook) at 5 o'clock.

3. ______ Miss Li ______ (have) a long holiday?

2. Listen, the birds ___________ (sing) in the tree.

1. Where ______ you just now? I _______ in the zoo. (be)

15.(　　 ) My hobby is ________ pets.

　　　 A. keeping　 B. keep　 C. keeping　 D. to keep

14.(　　 ) ________ does your first class begin?　 At 8.00.

　　　 A. What　 B. When　 C. Where　　 D. Why