单项选择题

We have produced twice as much steel this year ______ 4 years ago.

A．than we did
B．as we did
C．than we have produced
D．as we have produced
<上一题 目录 下一题>
热门 试题

单项选择题
The farmers, ______ houses had been destroyed by the serious flood, were given help by the government.
A．who
B．what
C．which
D．whose
单项选择题
He bought her what she wanted ______ the fact that they were costly.
A．even if
B．as though
C．only if
D．regardless of
相关试题