HE HAS REALLY WORKED HARD SO FAR, ______ HE

8. - TÀI LIỆU THI HSG TIẾNG ANH 9 BÌNH ĐỊNH
Tiếng Anh TÀI LIỆU THI HSG TIẾNG ANH 9 BÌNH ĐỊNH
8. He has really worked hard so far, ______ he?A. does B. has C. doesn’t D. hasn’t