问题

The reason__________ their failure you know is__________ they didn’t get fully prepared for the experiment.
A:why, that
B:that, why
C:for, that
D:why, because
B:that, why
C:for, that
D:why, because
正确答案是:
同类题型
I don’t know ______or not Simon will come here.—Don’t worry. ______he comes, I’ll call you.
The piano is too ________ for us ________.
How can we protect ourselves the earthquake– We should stay calm first.
What happened to your brother?— He slipped on the icy road after a bus, and had his leg broken.[ ]