单项选择题

A．John has lost something at the railway station
B．There are several railway stations in the city
C．It will be very difficult for them to find John
D．The train that John is taking will arrive soon
<上一题 目录 下一题>
热门 试题

问答题
In the sentence observers are waiting for the dominoes to start falling , dominoes start falling refers in fact to__________.
填空题
merely
相关试题