19B

20D

21B

22D

23C

24C

25A

a

11b

The children ought not to stay up late

Don't forget to write me a letter as soon as you arrive

I took care of my mother when she was ill

Ba is the tallest (person) in the class

I never go to bed after 10pm

Farmers have fewer days off than students

Our area will have a new school next year

It takes me 10 minutes to walk from my house to school

I prefer orange juice to coca cola

Reading is less interesting than watching tv

mệnh đề chỉ thời gian với ý nghĩa tương lai thì dùng với hiện tại đơn nhé

4d