1.The fish __________ (smell) terrible. Why not throw it away?
2.A new teaching building ___________ (build) in our school now.
3.While the meeting _____________ (go) on, the headmaster came in.
4.She _____________ (feel) sorry at what she had said.
5.Sit here and your coffe ___________ (bring) to you in a while.
6.How long ________it ___________ (take) you to finish your composition last night?
7.Nobody _____________ (find) in the classroom yesterday.
8.Instead of ___________ (watch) TV, they talked about something important last night.
9.Is it necessary for him ___________ (return) the book at once.
10.He ____________ (repair) his bike when his teacher came out.
11.Can you finish __________ (read) this book in a week?
12.I __________ (send) you a telegram as soon as I hear the good news.
13.Thank you very much but I ___________ (drink) enough today.
14.Do you know if it ___________ (be) fine tomorrow? If it __________ (be) fine tomorrow, I will go for an outing.
15.He said that some foreign guests __________ (visit) our school.
16.I didn’t go to bed until I ___________ (finish) my homework.
17.Our country __________ (change) greatly in the past few years.
18.The scientist stood up, ___________ (give) a friendly smile and began to speak to us.
19.By this time yesterday, he ______________ (go) over all his lessons.
20.Don’t talk. The children _______________ (sleep).