单项选择题

A．Because they were driven by steam power.
B．Because they did the work that animals used to do.
C．Because they pulled cars full of coal.
D．Because they were made of iron.
<上一题 目录 下一题>
热门 试题

单项选择题
A) enlarged BI increased C) intensified D) expanded
A) enlarged BI increased C) intensified D) expanded
单项选择题
If someone in Israel today needs a repairman in case of a power failure,______.
A．they can have it fixed in no time
B．it's no longer necessary to make an appointment
C．the appointment takes only half a day to make
D．they only have to wait half an hour at most
相关试题