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

试题分析：考查定语从句，句意：所有的整天玩的孩子都精疲力竭了。all of whom修饰the children,即all of the children,指人的不能用which，因为介词of后加宾语，所以用whom，不用who，选D。