单项选择题

After the new technology was brought in, this year's production of the cars in our factory is five times（）it was five years ago.

A．more
B．than
C．what
D．as

<上一题 目录 下一题>
热门 试题

单项选择题
Only recently（）to realize the dangers caffeine might bring to our health.

A．that scientists began
B．have scientists begun
C．scientists have begun
D．that did scientists begin
相关试题