问题

Listen! There is a knock on the door．Who _____ it be?—It must be Jack．Just now I sent for him．

A:shall
B:can
C:must
D:might

正确答案是：

标签： knock , listen , there

同类题型

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Do you know if Jack will drive to New York this weekend?- Jack? Never! He ＿＿＿＿＿＿ driving so far.

He often helpsme _____ my biology. [ ]

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Did you find the small village yesterday?—Yes，without any difficulty，for it has ________ changed over years.