专四
A．is
B．were
C．be
D．would be
【解析】此题考查的是be型虚拟式在if whether，lest, so long as等引导的分句中表示推测、让步等含义的用法。所以，正确答案为C。
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A．complete
B．completing
C．having completed
D．to have completed
A．Thanks
B．Goodness knows
C．Thank goodness
D．Good old
A．sent
B．summoned
C．conjured
D．squeezed
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根据以下资料，回答题：
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