问题

I wonder that makes him so sad.

A:why it does
B:what he does
C:how it is
D:what it is

正确答案是：

同类题型

下列句子，有语病的一项是

I _____ read this book _____ I understand it.— You are great, I should learn from you.

____, Tom. Is this your book—No, it isn’t. I think it’s ____.

.More than one girl _____, as we expect

The number of teachers in our college __________greatly increased last term.A number of teachers in this school __________from the countryside.