问题

24 Only when the meeting began _______ that he had left his papers at his office

A:will he realize
B:he did realize
C:did he realize
D:should he realize

正确答案是：

同类题型

________in the queue for half an hour，Tom suddenly realized that he had left his wallet at home.[ ]

According to a recent survey, Google Play is one of ________ apps in the world.

I always finish my homework on time. I leave it for tomorrow

Why don’t youwear the black jacket —.

The kangaroo was lucky It just missed