1,chat 

2,to do 

3,playing 

4,to fly 

5,writing 

6,to do 

7,making 

8,to be 

9,building 

10,to see 

11,to go 

12,to buy 

13,to answer 

14,to get 

15,seeing

16,visiting

17,running

18,to study 

20,painting 

#học_giỏi 

1.we let our sons (chat) ..chat.. on the        

2.they've got some workers(do) to do   

3.peter gave up(play ) ..playing.. vd games      

4.he'd like(fly) ..to fly.. an aeroplane      

5.I enjoy(write) ..writing.. picture postcards        

6.do you know what(do) ..to do.. if there's a fire in the shop?    

7.avoi(make) ..making.. silly mistakes      

8.my parents wanted me(be) ..to be.. home at 11o'clock      

9.i dream about(build) ..building.. a big house      

10.i'm hoping(see) ..to see.. lisa    

11.i can't imagine Petter(go ) ..going.. by bike      

12.he agreed(buy) ..to buy.. a new car    

13. the question is easy(answer) ..to answer..    

1 4.the man asked me how(get) ..to get.. to the airport      

15.i look forward to(see) ...seeing... you at the weekend      

16.are you thinking of(visit ) ..visiting.. london?    

17.i am used to (run) ..running.. in the park in the morning    

18.the teacher expected sarah(study) ..to study.. the night shift    

20.my classroom needs(repaint ) ..to be repainted..