题目内容
-Listen!Is that Kangkang playing the guitar?
-No.It ________ be Kangkang.He has gone to Changsha.
[ ]
A.can’t
B.needn’t
C.mustn’t
答案:A
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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 |