赞题库-背景图

单项选择题

He ______ have been nervous because he didn’t go straight in.

A．ought to
B．must
C．should
D．had to

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热门试题

单项选择题Watch out, the boss is disgusted ______ your behavior!

A．to
B．at
C．for
D．with

单项选择题He handled the company in ______ with his brother.

A．combination
B．mixture
C．collaboration
D．association