665hFewer hoặc less

1) they work...hours than us a day

2) Susan likes her new life in Ha Noi now. She writes...letters home

3) You should spend .. time watching TV

4) He has ...days off than anyone in the factory

5) Lan drinks ...water than Hoa a day

6) There are...trees along the strees in the new town

7) I get ....money than him

8) Lan spends .... money on books than Kien

9) They are very tired. They can do .... exercises this evening

10) They are very tired. They will do ...work tonight