`@Yu2910`.

`1.` Did you take part in the sports festival?

`->` Cấu trúc: take part in = tham gia

`2.` My mother went to DaNang with her friends by plane. 

`->` Cấu trúc QKĐ: S + V (ed/BQT).

`3`. Does your father work in the hospital?

`->` Cấu trúc hỏi của hiện tại đơn: Do/Does + S +V ?

`4`. Could you show me the way to the post office, please?

`5`. What does Hoa think of the main character in this story?

1. Did you take part in the sports festival?

Did + S+ V1? thì QKĐ

take part in: tham gia 

2. My mother went to Da Nang with her friends by plane.

S + V2/ed: thì QKĐ

go to sw: đi đến đâu 

go with sb: đi với ai 

tính từ sở hữu + N 

by + phương tiện 

3. Does your father work in the hospital?

Does + S +V1? thì HTĐ

4. Could you show me the way to the post office, please?

Could you show me the way to sw? hỏi đường 

5. What does Hoa think of the main character in this story? 

What + do/does + S+ think of N? 

the main character: nhân vật chính 

this + N số ít 

`color{orange}{~MiaMB~}`