CHOOSE THE UNDERLINED PART IN EACH OF THE FOLLOWING SENTENCES THAT...

31. - 3 DE KIEM TRA HOC KY II MON ANH LOP 12 VA DAP AN THAMKHAO
Tiếng Anh 3 DE KIEM TRA HOC KY II MON ANH LOP 12 VA DAP AN THAMKHAO

31. Choose the underlined part in each of the following sentences that needs correcting.

A. The children haven’t met their mother before they left London.

A B C D