问题

All the building materials havebeen washed away.— So I have heard. But there was no sign____a heavy rainwas on the way last night.[ ]
A: when
B: if
C: which
D: that
B: if
C: which
D: that
正确答案是:
同类题型
When ____ to compare the education system of China and Britain, the professor gave no answer.
My home is five ______ school.
Honey, please don’t play the computer games.— Pardon?— I _____ play the computer games. [ ]
You____be ashamed of yourselves.You’ve created this problem.
I hope to have a car of my own so that I________ compete with others for space on crowded buses.