1.   The last time I spoke to him was last week.

=> I haven’t…………………spoken to him since last week……………………

2.   The last time John did the housework a month ago.

=> John hasn’t ………………………………………done the housework for a month

3. My children are more creative than these students

=> These students are …………………less creative than mine

4. These pictures are more beautiful than yours.

=> Your pictures are ……………………less beautiful than these………

5. It will be good if you walk more often in the morning.

=> You should …………………………..walk more often in the morning

=> You’d better ………………………………walk  more often in the morning

6. The last time he played computer games was 10 years ago.

=> He hasn’t …………………………………played computer games for 10 years

7. The people built this factory for a long time.

=> This factory ……………………………………………was built a long time ago

8.  The students plant many trees and vegetables  in our school.

=> Many trees and.….…….…vegetables………………………are planted in ours chool by the students 

9. We grow a lot of trees in school garden.

=> A lot of trees .….…….………………………are grown in the school gardnen

10. The tickets to the show are too expensive for us.

" The tickes to the show cost………………more money than that we have

11. Nam is a better painter than Lan.

" Lan can’t…………………………paint as well as Nam…

12. Charles Dickens’ novels attract a lot of children.

" A lot of children………………………are attracted by Chales Dicken's novels

13. Her book is not the same as mine

." Her book is………………………different from mine