选择所给词的正确形式填空。
1. It's time _______________ (go to school / to go to school).
2. I would like _______________ (to be / be) her penfriend.
3. Peter lives on _______________ (the second / the two) floor in the building.
4. Shall we _______________ (have supper / having supper) now?
5. Take more exercise, you'll be _______________ (thin / thinner).
6. They are going to play cards with _______________ (us / our).
7. The museum is about three _______________ (kilometers / kilometre) away.
8. Does she like _______________ (dance / dancing)?
9. Can I have _______________ (her / hers) telephone number?
10. It's often _______________ (rain / rainy) in autumn in Shanghai.
1. to go to school 2. to be 3. the second 4. have supper 5. thinner 6. us
7. kilometers 8. dancing 9. her 10. rainy