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The children, had played the whole day long, were worn out.A.all of whatB.all of

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The children, had played the whole day long, were worn out.A.all of whatB.all of

The children, ______ had played the whole day long, were worn out.

A.all of whatB.all of which
C.all of themD.all of whom

试题答案

D

解析试题