A. /                  
B. to             
C. too                
D. two

A. skate
B. to skate

A. plays           
B. played            
C. to play          
D. play

A. put     
B. putting     
C. to put     
D. puts

1. It's time ____________ (have) lunch.
2. Can you ____________ (jump) very high? 
3. Jim and Bill ____________ (sing) in the room now. 
4. What's in the _____________ (teacher) room? 
5. There are some ____________ (book) on the desk. 
6. Let ____________ (we) help you find it.

A. eat
B. drink   
C. to eat
D. get

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.

A. visiting
B. visit
C. to visit

A. to ride
B. ride 
C. riding
D. rides

A. have
B. to have 
C. has
D. having