-The terrible accident is under investigation.
-Actually, quicker action __________ those workers trapped in the mine.
A.may have saved |
B.could have saved |
C.must have saved |
D.should have saved |
推荐套卷
-The terrible accident is under investigation.
-Actually, quicker action __________ those workers trapped in the mine.
A.may have saved |
B.could have saved |
C.must have saved |
D.should have saved |