问题

The two friends ______on the Internet for three hours, and they would go on till the next morning

A:have been chatting
B:had been chatting
C:were chatting
D:had chatted

正确答案是：

同类题型

I’m not sure whether I will have anything else to do this evening_____, I will try every possible means to come to your birthday party

An accident ________ on Zhongshan Road yesterdayafternoon.

My money is ________, so I have to call my parents saying that I am missing them.

My father woks ___ , He ____relaxes on weekends .

visit our home or ring the doorbell, you byour dog.