1. Where (be) ___are___ your friends

They (study) ___are studying__ in the library

2. Minh usually (play) ___plays___ volleyball after school.

Now he (play) ___is playing___ volleyball in the sports ground

3. Children shouldn't (stay) ___stay___ up late

4. Next Sunday is Nga's birthday. She (invite) ____will invite___ some friends to her birthday party

5. He enjoys (collect) ___collecting___ stamps and coins

6. Next year , my sister (be) ___will be___ a teacher

7. I (do) ___am doing___ my math homework at the moment

8. Nam isn't very fit. He (not do) ____doesn't do____ any sport

Chúc cậu học tốt <3

1. are/ are studying ( thì HTĐ * tobe : S +is / am / are + ....

* V : S  + Vs/es+.....

2. plays / is playing  ( thì HTĐ và thì HTTD )

3. stay ( should : ko nên làm j + V nguyên thể ...)

4. will invite ( thì TLĐ : S + Will + V nguyên thể....)

5. collecting ( ta có từ enjoys : thích thí -> enjoy + Ving.....

6. will be ( thì TLĐ : S + Will + V nguyên thể....)