题目内容
Mr.Wang ______be in Nanjing now,he went to Beijing only this morning.
A .mustn't B. may not C. needn't D.can't
B
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—Mr. Wang __________ be in the office. The light is still on.
—No, he __________ be. Because he phoned me from the farm just now.
| A．may; mustn’t | B．mustn’t; mustn’t | C．can’t; can’t | D．must; can’t |