4. Let’s ______ our time.

　　　 A. not waste　　　　　　　　　 B. no wasting　　　　　　　　 C. not to waste　　　　　 D. no waste

3. Let me ______ on duty today.

　　　 A. am　　　　　　　　　　　　　　 B. /　　　　　　　　　　　　　　　 C. be　　　　　　　　　　　　　 D. do

2. Jim, ______ me a hand.

　　　 A. gives　　　　　　　　　　　　 B. is giving　　　　　　　　　　 C. give　　　　　　　　　　　 D. will give

1. Call me when you get home. OK,______

　　　 A. I must　　　　　　　　　　　 B. I can 　　　　　　　　　　　 C. I will　　　　　　　　　　　 D. I may

5. She does the housework every day. (改为否定句)

　　 She ______ ______ the housework every day.　

4. He does his homework at home every day.　 (改为一般疑问句)

　　 ______ he ______ his homework at home every day?

3. We have studied English for about three years. (对画线部分提问)

　　 ______ ______ have you studied English?

2. The girl asked the Jane to turn off the radio. (对画线部分提问)

______ ______ the girl ask Jane to ______?

1. Teachers often tell the kids not to talk in the classroom. (改为祈使句)

______ ______ in the classroom, kids.