THE BOSS HAS GOT ANGRY. I ________ MORE CAREFUL WHEN I TALKED TO HI...

30. - DE KIEM TRA 1 TIET MON TIENG ANH LOP 12 CO DAP AN
Tiếng Anh DE KIEM TRA 1 TIET MON TIENG ANH LOP 12 CO DAP AN

30.

The boss has got angry. I ________ more careful when I talked to him.A. need have been B. must have been C. should have been D. can havebeen