I)
1) A
2) C
3) A
4) A
5) C
II)
1) D
2) C
3) A
4) C
5) C
III)
1) Solar energy will be used to protect the environment
2) In spite of eating lots of food, she is very slim
3) How far is it from Ha Noi to Ho Chi Minh city
4) Flying cars will be shown to the public when they finished them
5) This computer is mine
IV)
1) Are/waiting
2) will have
3) will send
4) met
5) is studying
