问题
They found __________ impossible to finish so much work in such a short time.
A:that
B:it
C:it is
D:this
B:it
C:it is
D:this
正确答案是：
同类题型
The earthquake has killed over two thousand people in Yushu.—________.
You ______ wear sports shoes when you climb a mountain.
_____she sang and laughed,but a few minutes later she cried. [ ]
They paid ______ money for the machine than I had expected.
___ is it from Shanghai to Shijiazhuang? Two thousand kilometres. [ ]