单项选择题

（）is known to the world, Mark Twain is a great American writer.

A．That
B．Which
C．It
D．As

<上一题 目录 下一题>
热门 试题

单项选择题
Professor Black had us（）compositions every Friday.

A．to write
B．written
C．write
D．wrote
单项选择题
It's a pity that Professor Smith has failed to make his idea（）in the classroom.

A．understanding
B．to be understood
C．understood
D．to understand
相关试题