4. It’s a rule in our school that the classroom _________ every day.

A. should clean　 B. should be cleaned　 C. should cleaned　 D. should be cleaning

3. Jenny used to _____________or chat with her grandmother.

　　 A. watched TV　　 　　 B. watching TV　 　　　 C. watch TV　　 D. watches TV

2. My brother is really _____________. He often works in his office far into the night.

　　 A. outgoing　　　 　　　　 B. hard-working 　 C. friendly　　　 　　　　　　　 D. quiet

1. -How does your father learn Chinese, Jim?

- He learns it _______ listening to the radio.

A. on 　　　　　　　　　　　　 B. from 　　　　　　　 C. by　　 　　　　　　　　　　 D. over

4. In addition　　　　　　　　 5. Wait for

9. student → students　 10. any → either

7. Either → Neither　　 8. comes → come

4. a few → few　　　 5. something → nothing　　　 6. your → yours

5. 等我写完这封信，好吗？

_______ _______ me to finish the letter, will you?

Key：

Unit 3

4. 山羊奶制成的奶酪非常可口。除此之外，山羊还是一种友好的动物。

Cheese made from goats’ milk is very tasty. _______ _______, goats are friendly animals.