--Listen! Someone is knocking at the door.

--Listen! Someone is knocking at the door.
-- ______ be Mary. She has just been to Beijing
A.She mustn’t B.It can’t C.It must D.She may
moonsmile0 1年前 已收到1个回答 举报

wochanie 幼苗

共回答了18个问题采纳率:83.3% 举报

C

此题充分体现了一题多考点的命题倾向,考查了情态动词的选择,代词的选择以及隐含语境has been to的用法。

1年前

7
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