3. Children are advised to go to bed early.
Children should..................................................
4. You had better not to stay up late.
You shouldn’t ..................................................................
5. Lien couldn’t open the door of the classroom.
=> the door of the classroom……………………………
6. . It was so late that nothing could be done
It was too ...........................................................
7.Lan is too short to repair the fan
-> Lan is not………………………………………..
8. No one is more beautiful than Van in my class.
-> Van is……………………………………………
9.Lan hasn’t visited her grandmother for two months.
The last ..................................................
10. Ba began to learn English when he was in class 4
-> Ba has………………………………………………..
11. My mother last visted her home village 2 years ago.
->The last ………………………………………
12. It was so cold but he went out without an overcoat.
=> Although .....................................................
13. I often looked after my younger sister when I was small.
-> I used to......................................................
