问题

There aren’t any toys in our suitcase．Where have you put them?—Oh, no．That old lady sitting next to us ______ have taken ours by mistake.

A:must
B:could
C:should
D:would

正确答案是：

同类题型

The stone on the river bank rolled underher feet; she was _____into the river，and she called out for help

So many problems ________， he is having a difficult time.

The government of our school brought few ________ benefits to us over that matter.

Chen Hui was chewing gum ________.

I’ ll never forget Mr. Smith, help we had made great progress.