题目内容
在横线上填入情态动词
can, may, should, ought to, had better
It's 8 o'clock. Mr Smith ________ be here at any moment.
答案:should/ought to
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题目内容
在横线上填入情态动词
can, may, should, ought to, had better
It's 8 o'clock. Mr Smith ________ be here at any moment.