单项选择题

The children went there to watch the iron tower ______ .

A．to build
B．building
C．be built
D．being built
<上一题 目录 下一题>
热门 试题

单项选择题
When they had finished playing, the children were made to ______ all the toys they had taken out.
A．put off
B．put away
C．put up
D．put out
单项选择题
The paper should be ______ thicker than this.
A．a few
B．few
C．a little
D．little
相关试题