I: 1, D
2, A
3, A
4, A
5, D
6, C
7, D
8, A
9, B
II: 1, plays
2, go
3, has lived
4, do/ do
5, will be playing
III: 1, A
2, D
3, A
4, B
5, A
IV: 1, It is about 100 killometers from Ha Noi to Thanh Hoa City
2, Despite being young, he plays football beautifully
3, My father used to live in small village when he was a child
4, How far is it from Thanh Hoa to Ha Noi city?
5, Less electricity will be used by us in the future
V: 1, Solar energy will be used by many countries in the world
2, How will you travel from one placeto another?
3, We will reduce the use of electricity to save our energy