— I hear the famous singer Xu Song may come to Weifang next month.

— Really? _______ he comes, my younger sister will be very excited.

A. If          B. Until       C. Unless     D. Before

用括号内所给动词的适当形式填空
【小题1】The reporter ____________ (interview) the famous singer at the moment.
【小题2】Must he ____________ (finish) his homework before he has supper?
【小题3】Drunken（醉）driving __________ (cause) a lot of traffic accidents in Wuxi so far.
【小题4】It seems she ____________ (not come) back yet because her door is still locked.
【小题5】The teacher told Simon ____________ (not listen) to music when doing homework.
【小题6】Lily with her friends _______ (live) in Sunshine Town now.
【小题7】How long does it take you _____________ (clean) the classroom after school every day?
【小题8】Stop ________ (chat) on the Internet and help me with housework.
【小题9】I am busy with my study now. I __________ (throw) away the rubbish in 20 minutes.
【小题10】While they ___________ (discuss) how to prevent accidents, another one happened.

用括号内所给动词的适当形式填空

1.The reporter ____________ (interview) the famous singer at the moment.

2.Must he ____________ (finish) his homework before he has supper?

3.Drunken（醉）driving __________ (cause) a lot of traffic accidents in Wuxi so far.

4.It seems she ____________ (not come) back yet because her door is still locked.

5.The teacher told Simon ____________ (not listen) to music when doing homework.

6.Lily with her friends _______ (live) in Sunshine Town now.

7.How long does it take you _____________ (clean) the classroom after school every day?

8.Stop ________ (chat) on the Internet and help me with housework.

9.I am busy with my study now. I __________ (throw) away the rubbish in 20 minutes.

10.While they ___________ (discuss) how to prevent accidents, another one happened.

— I hear the famous singer Xu Song may come to Ningbo next month.

— Really? _______ he comes, my younger sister will be very excited.

A. If                B. Until            C. Unless          D. Before