I wonder _______ makes him so sad.
A. what it is that
B. what is it that
C. what it is
D. what is it
I wonder _______ makes him so sad.
A. what it is that
B. what is it that
C. what it is
D. what is it
A |
考查宾语从句使用了强调句型。题干意为:我想知道到底是什么使他如此悲伤。 |