题目内容
-Listen!Is Professor Johnson giving a report in the hall?
-No, it ________ be him.He has gone to Japan.
[ ]
A.needn’t
B.may not
C.mustn’t
D.can’t
答案:D
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----Listen! Is Kitty in the next room?
---- No, it ______ be Kitty. She has gone to Beijing.
---- No, it ______ be Kitty. She has gone to Beijing.
| A.may not | B.can’t | C.mustn’t | D.needn’t |