单项选择题

There are three days （）are usually marked by some kind of special ceremony.

A．who
B．that
C．when
D．whose

<上一题目录下一题>

热门试题

单项选择题

A．Because an empire was set up.
B．Because the empire fell to pieces.
C．Because it lost its trees.
D．Because too much had been spent on wars.

问答题

不言而喻，青年人的教育对一个国家的未来是至关重要的。