Question

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

A．all of what

B．all of which

C．all of them

D．all of whom

Answer 1

D

解析试题分析：考查定语从句。句义：那些孩子们，所有人都玩了一整天，都累了。本题先行词是人（the children），且前面有介词，所以选择whom
考点：考查定语从句。