（ ） .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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（ ） .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 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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