THE TRAIN ………..HALF AN HOUR AGO.A. HAS LEFT B. LEFT C. HAS BEEN L...

2. - DE THI KIEM TRA KIEN THUC GIAO VIEN
Tiếng Anh DE THI KIEM TRA KIEN THUC GIAO VIEN

2. The train ………..half an hour ago.

A. has left B. left C. has been leaving D. had left