单项选择题

It is requested that every student __________ a paper on sustainable development.

A．writes
B．wrote
C．writing
D．write
<上一题 目录 下一题>
热门 试题

单项选择题
The classroom needs __________.
A．clean
B．to clean
C．to be cleaned
D．being cleaned
单项选择题
No one, except his two best friends, __________ where he is.
A．know
B．knows
C．to know
D．knowing
相关试题