问题

You were out when I dropped in at your house yesterday.—Oh, I________ for a friend from Beijing at the railway station

A:was waiting
B:had waited
C:am waiting
D:have waited

正确答案是：

同类题型

A: Where are you nowB: We _________ on the Great Wall of China and talking to you.

The price went up anddown .

They have_______ carefully the time and money needed to complete the project.

It’s been six weeks________he made a misunderstanding of me.— Don’t worry.He’s just too busy.[ ]

_____ you _____ to go to the park when theywere children