单项选择题
He _______ in Japan as he left by boat last month.
A．ought to arrive
B．ought to have arrived
C．should arrive
D．must arrive
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单项选择题
Had he worked harder, he _______ the exams.
A．must have got through
B．would have got through
C．would get through
D．could get through
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单项选择题
Have you anything to say _______ the proposal
A．with regard to
B．in contrast to
C．on behalf of
D．for the purpose of
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