问题

Only when he met the girl his aunt introduced to him ____ that he had seen her before.

A:he realized
B:he did realize
C:realized he
D:did he realize

正确答案是：

同类题型

It’s nice ___________ the doctor to devote all thetime he has _______ for the patients.

There ________ great changes in Jiangdu over the past 10 years.

The engineer will return from Macao ____ afew days.

下列各句中，没有语病的一句是（）

he doesn’t achieve his goals, he is not afailure． ____, he is remembered as a true hero．