1 there are twelve months in a year  

2 lan's sister isn't as intelligent than lan

3 he takes care of sick people

4 are you interested in listening to music

5 what does your mother do?

6 our summer vacation lasts for two - month 

7 don't forget to write a letter to me 

8 american students have fewer vacations than vietnamese students

9 I spend two hours each day doing my homework

10 hoa studies very hard

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Hướng dẫn giải : Như bên dưới

Đáp án :

1 ) There are twelve months in a year.

2) Lan's sister isn't as intelligenr as her sister.

3) He takes care of the sick people.

4) Are you interested in listening to music?

5) What does your mother do ?

6) Our summer vacations lasts two months.

7) Don't forget to write a letter to me.

8) American students have more vacations than Vietnamese ones.

9) I spend about two hours each day doing my homework.

10) Hoa studies hard.