I:
1, It's easy to learn English
2, If you leave the lights on all night, you will waste electricity
3, No one in his class is better than Nam
4, Unless you rest yourself, you realy will be ill
5, My mothe asked me what subject i found the most difficult
6, Thu asked me if i spoke other languages
7, My friend told me we might go sightseeing in Sapa the following week
8, She said to me that i had to sign the paper again
II:
1, are
2, working
3, However
4, there
5, all
6, for
7, invented
8, information
9, by
10, questions
III:
1, went-had gone
2, came-finished
3, had met
@Xin ctlhn với ạ
