( ) .Look Mary is over there.–That____ be her.She is in America now A.mustn't( ) .Look Mary is over there.–That____ be her.She is in America nowA.mustn't B.can't C.needn't D.must

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().LookMaryisoverthere.–That____beher.SheisinAmericanowA.mustn''t().LookMaryisoverthere.–That____behe

( ) .Look Mary is over there.–That____ be her.She is in America now A.mustn't( ) .Look Mary is over there.–That____ be her.She is in America nowA.mustn't B.can't C.needn't D.must
( ) .Look Mary is over there.–That____ be her.She is in America now A.mustn't
( ) .Look Mary is over there.–That____ be her.She is in America now
A.mustn't B.can't C.needn't D.must

( ) .Look Mary is over there.–That____ be her.She is in America now A.mustn't( ) .Look Mary is over there.–That____ be her.She is in America nowA.mustn't B.can't C.needn't D.must
B,can't be表示否定推测,肯定推测是must be,固定用法.由后面说她现在在美国可知她不在这,否定推测

eddddddddddddddddddddddddddd

选择B:can't


can't在这里表示:不可能,符合句意。


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