问题

So hard _ in the past few months that he has made great progress in English.—I can see that; only a few mistakes _ in the exam.

A:has he worked; did he make
B:he has worked; did he make
C:he has worked; he made
D:has he worked; he made

正确答案是：

同类题型

Did you hear that Jack used to be a policeman for two years—You’re kidding! He ______, for he’s too short.

The hurricane and the damage ___________ caused have done much harm to the United States.

The fact that fun is not equal to happiness may be the opposite of ______ many people actually understand

t isindeed a wise man.—Oh, yes. Howoften I have regretted ______ his advice!

I don’t knowwith this problem．It’s too hard．