问题

The great changes _ have taken place _ carrying out the economic reform in our country.

A:may not unless
B:could not without
C:never but for
D:would besides

正确答案是：

同类题型

We are going to have a picnic next Sunday.—_______________________

oung people, most ______were well-educated, headed for remote regions to chase their dreams.

______, his ideas was accepted by all the people at the meeting.

getting off the train, ________ sure you have all your belongings with you.

Only after her mother came to help her for the first few months _____ to begin her project