______ exceptionally heavily might railway services be temporarily dislocated (

题干

______ exceptionally heavily might railway services be temporarily dislocated (扰乱).

A．If only it snowed

B．Only in case it snows

C．Only were it to snow

D．Only when snow

上一题下一题 0.85难度单项选择更新时间:2010-06-07 07:50:23

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