A I

1 A 

2D 

3 C

II

1 D

2 B

I

1 A

2C

3A

4C

5D

6D

7D

8A

9C

10A

11D

12D

13B

14B

15B

II 

1 Staying  2 was burning 3 was stolen 4 will be working 5 not to disturb 11 has cleaned 13 haven't met 

6 to cook 7 playing 8 is driving-will hit 9 laughing 10 were playing 12 is breaking 14 did /do 15 is going to open 

III

1 Flights

2  friendly

3 plentiful

4encourgement

5 childhol

IV 

1 B           2 B            3 A        4 C          5 A

V 

1 TO          2 FOR       3 AT       4 ABOUT       5 FROM 

 C I 

1 B        2 A          3 B              4 C                 5 A 

II

1 LEARNING   2 ARE  3 OF 4 YOU 5 HOW 6 BOOK 7 FLY 8 YOURSELG 9 PLAYING 10 PRACTICE 

D 

I 

1 It's very important to keep the eviroment clean 

2 the time machine will be show to public when it is finished 

3 he was delighted that his aunt sent him a letter 

4 people recycle old car tires to make shoes and sadals 

5  I'm very not sad to be accepted in that group  

II

1 Minh has collected stamp since he was a child 

2 I am not working tomorrow so we can go showhere 

3 they are going to back to england in two months 

4 Tv bringing not only information but also  entertaiment

5 At home on the farm life is always a struggle with nature 

III