问题

, almost every possible means ______to provide accommodation and medical rescue for the people in the flood-stricken area.

A:were tried
B:was tried
C:have been tried
D:has been tried;

正确答案是：

同类题型

It_________ to me that I should pay a visit to my friend Jane.

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the flowers before you go to sleep, and you may just ________ sweet dreams.

are you going to visit your uncle — Next week.

The teacher asked me____________.