7.　　　 She has ______ the stars all her life.

A. noticed　　 B. observed　　 C. discovered　　 D. seen

6. –What do you think of the book?　　 --Oh, excellent! It’s worth ______ a second time.

　 A. to read　　 B. to be read　　 C. reading　　 D. being read

5.　　　 Though we spent a lot, we think it ______ because we succeeded in the end.

A. worth　　　 B. worth being spent　　 C. worth of　　 D. worthwhile

4.　　　 It’s really a ______ task.

A. worth　　 B. worthy　　 C. worthwhile　　 D. worthly

3.　　　 Don’t spoil the children. Can’t you make your little son ______ himself?

A. behave　　　 B. believe　　　 C. perform　　　 D. conduct

2.　　　 He promised to do that for me ______ I allowed him ______ computer games.

A. on condition that; to play　　　　 B. on condition if; to play

C. on condition that; play　　　　　 D. on condition if; playing

1.　　　 Tom is ______ because he never takes any exercise.

A. under conditions　 B. on no condition　 C. in condition　 D. out of condition

8．我们难以决定是向东走还是向西走。

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7．黎明时，我们有起身出发了。

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6．我陪他一直走到公共汽车站。

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