How_______they be there already?They only left ten minutes a

How_______they be there already?They only left ten minutes ago
A.will
B.can
C.should
D.must

jiaoxiaomin 1年前已收到3个回答举报

whbxl2000 幼苗

共回答了25个问题采纳率：84% 举报

选B.你可以读一遍,如果语感好的话就没问题,如果读不出来,就理解吧.How后面只有四种可能,形容词,to do,B动词,这里都没有,那么就是还有一种可能,辅助动词can或could,这里有can,选B.

1年前

张行人鱼幼苗

共回答了60个问题举报

B
鉴定完毕

1年前

a285313419 幼苗

共回答了28个问题举报

选B。can通常放在否定句和疑问句中表示猜测“可能”，而 must放在肯定句中表示肯定猜测：“一定”。句意：他们怎么可能已经在这里呢？他们仅仅在十分钟前离开了。

1年前

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你能帮帮他们吗

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