问题

There must be many people ________ for theirtrains at the train station because of the golden week holiday.

A: are waiting
B: waited
C:towait
D: waiting

正确答案是：

同类题型

ught to have given them some advice— ,but who cared what I asked

Could it be in the public phone box ______ you made me the call yesterday ______ you lost your IP card?

Kate! Let’s go to work right now. We’ll be late. — _____. We still have 20 minutes left.

uhave the time－Sorry,I have no watch－_____________

It’s easy _________us _________ plant more trees here.