mọi người giúp em sửa những câu sai và làm những câu còn lại giúp em

Câu 4 bạn làm như này ạ

The student keep talking about the project which was done last week 

Câu 5 mình sửa lại lun ạ

The river which flows ho Chi Minh city is The Saigon River.

Câu 6 The girls are performing the play which they rehearsed yesterday.

Câu 7 Their parents are anxious about their children, who come back late

Câu 8 The child enjoyed the chocolates which her mother bought from France.

Câu 9 They drank a lot of Coke which is diet Coke.

Câu 10 Mr David, who is supposed to be at the meeting, has not come yet