Question

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

A． are waiting

B．waited

C．to wait

D．waiting

Answer 1

D

试题分析：句意：因为黄金周，在车站一定有很多人在等待他们的火车。本题考查There must be sb doing sth.某地一定有人在做某事。根据句型，故选D。