问题

He made a mistake, but then he took action to changethe situation ________ it got worse.

A: until
B:when
C:before
D:because

正确答案是：

同类题型

We should _______ the old and offer our seats to them on buses.

When we got to _____ farmer’s house，he greeted us in_____ specialway

When did you buy these new CDs I them for two days.

下列各句中，没有语病的一句是

ck, whowe all admire, is a kind but strict teacher