单项选择题

The output of our factory is now three times ______it was three years ago.

A．what
B．that
C．as
D．which
<上一题 目录 下一题>
热门 试题

单项选择题
Jean did not have time to go to the concert last night because she was very busy______ for her examination.
A．to prepare
B．to be prepared
C．preparing
D．being prepared
单项选择题
______a large group, your tone should be clear and long.
A．When addressing
B．While addressing
C．When you address
D．Upon addressing
相关试题