赞题库-背景图

单项选择题

I can’t find the key to my office. I ______ have lost it on my way home.

A. would
B. should
C. must
D. ought to

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热门试题

单项选择题Mathematics ______ easy to learn.

A. is
B. are
C. can
D. feels

单项选择题I’d rather you ______ anything about it for the time being.

A. do
B. don’t
C. didn’t do
D. didn’t