单项选择题

I would have seen him off, had it been possible but I （） so busy then.

A.had been
B.were
C.was
D.would be

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The new facts throw some light （） the matter.

A.at
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C.on
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单项选择题
They always give the available information to （） comes first.

A. who
B. whomever
C. whoever
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