问题
We all demanded the new type of machine ____________ put into use as soon as possible.
A:refer to
B:referred to be
C:refer to be
D:referring be
B:referred to be
C:refer to be
D:referring be
正确答案是：
同类题型
The job is so ________ that I could________ finish it on time.
226 — What’s the price of the apple— Ninety-seven _____ per kilogram
There is little doubt in your mind that he is innocent, _______?
Humans can’t live _______ air. —I agree with you.
This picture was taken a long time ago. I wonder if you can ____ my father. [ ]