问题

terrible accident is underinvestigation．— Actually, quicker action _____ thoseworkers trapped in the mine．

A:might have saved
B:must have saved
C:should have saved
D:could have saved

正确答案是：

同类题型

I hope my friends _________ my party this Saturday.

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If _______, I will go to visit your new house tomorrow width=”254″ valign=”top” style=”width:1908pt;padding:0cm 54pt 0cm 54pt”