BY THE TIME YOU RECEIVE THIS LETTER, I ... FOR JAPAN. BY THE...

816. - 1000 CAU TRAC NGHIEM TIENG ANH ON THI THPT QUOC GIA CO DAP AN 816. - 1000 CAU TRAC NGHIEM TIENG ANH ON THI THPT QUOC GIA CO DAP AN
1000 CAU TRAC NGHIEM TIENG ANH ON THI THPT QUOC GIA CO DAP AN

816. By the time you receive this letter, I ... for Japan.

A. will leave

B. have left

C. would have left D. will have left