1. Mary will change her social network account soon.

-> Mary's social network will be changed soon. (câu bị động với thì TLĐ thì động từ có dạng: will be +V2)

2. ''Why didn't you join the speaking club?'' she said to her son.

-> She asked her son why he hadn't join the speaking club. (với loại câu trần thuật của W-H question, ta cần định dạng mẫu câu hỏi thành câu trần thuật ( S + V) nha)

3. You really have a happier smile than you did yesterday.

-> You really smile happier than you did yesterday. (have a smile = smile: cười)  

4. Mark was allowed to enter the room despite his late coming.

-> Although he came late, Mark was allowed to enter the room. (although+S+V+... :mặc dù ....) 

Có gì không hiểu bạn hỏi mình bên dưới nha 
Chúc bạn học tốt!!
Hy vọng bạn cho mình 5 sao và trả lời hay nhất nha 

1. Mary will change her social network account soon.

-> Mary's social network will be changed soon. 

2. ''Why didn't you join the speaking club?'' she said to her son.

-> She asked her son why he hadn't join the speaking club. 

3. You really have a happier smile than you did yesterday.

-> You really smile happier than you did yesterday. 

4. Mark was allowed to enter the room despite his late coming.

-> Although he came late, Mark was allowed to enter the room.

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