题目内容
— The terrible accident is under investigation.
— Actually, quicker action ____ those workers trapped in the mine.
— Actually, quicker action ____ those workers trapped in the mine.
[ ]
A. might have saved
B. must have saved
C. ought to have saved
D. should have saved
B. must have saved
C. ought to have saved
D. should have saved
A
练习册系列答案
相关题目