单项选择题

______ seems easy in theory seems difficult in practice.

A．That
B．With
C．What
D．It
<上一题 目录 下一题>
热门 试题

单项选择题
It is much easier to talk about social change than ______.
A．to bring it about
B．to bring it on
C．to bring it up
D．to bring it out
单项选择题
If a metal bar is heated, the greater the heat ______, the larger the expansion.
A．applied
B．being applied
C．applying
D．is applied
相关试题