Question

用所給動詞的適當(dāng)形式填空，必要時刻加助動詞或情態(tài)動詞。

1. He _______ ever _______ (be) to the amusement park several times.
2. I'm sorry I didn't finish _______ (write) my composition.
3. I have been _______ (skate) for two hours.
4. _______ you _______ (teach) us computer science next year.
5. I went there last year and _______ (fall) in love with it.
6. They _______ (fly) to the moon in ten years.
7. I will go to the water park if it _______ (not rain) tomorrow.
8. When Mr. Cook got home, his son _______ (listen) to the radio.
9. The old man makes a living by _______ (sell) vegetables.
10. The box is too heavy.  I'm not strong enough _______ (carry) it.

Answer 1

1. has been   2. writing   3. skating   4. Will teach   5. fell
6. will fly   7. doesn't rain  8. was listening  9. selling  10. to carry