问题

She wrote a month ago, ______ we’ve heard nothing.

A:since when
B:before which
C:since that
D:after which

正确答案是：

同类题型

He’s got himself into a dangerous situation ______he is likely to lose control.

May is my best friend, I’ll _______ her.

It’s true, I saw it with _______ eyes.

The lad couldn’t ______ even if he______ in time

I find ________ hard for me ________ the work in such a short time.—I’m afraid not, but you can try your best to do it.