27. 另一种现代类型的音乐是流行乐。

　 _______ _______ _______ modern music is pop music.

26. 因为他父亲几乎没有钱，因此他不得不去工作。

　　 Because his father had very little money, he _______ _______ work.

25. If it _______ (rain), my father _____ (take) me to school in his car.

24. It’s best _______ (read) English in the morning.

23. Please ask him ________ (not watch) TV before he finishes his homework.

22. He _______ (teach) us English well, doesn’t he?

21. There are many ______(music) playing the piano.

20. His father ______ (die) for five years.

19. Mozart ______ (make) a lot of famous music.

18. They have never been to any c______.

B) 用所给动词的适当形式填空