______ halfway through the exercise, the teacher changed his mind and collected all our papers.
#70292
A
When only being
B
When we were only
C
Being only
D
Having been
推荐题目
There is a new problem involved in the popularity of private cars ____________ road conditions need ____________.
#74029
A
that; to be improved
B
which; to be improved
C
where; improving
D
when; improving
He tried his best to solve the problem, difficult it was.
#66875
A
no matter what
B
whatever
C
however
D
how
—I rang you at about nine, but there was no reply.—Oh, that was probably__________I was seeing the doctor.
#72438
A
why
B
when
C
what
D
that
The hospital has been set up in ________ was a waste land many years ago.
#69999
A
which
B
that
C
where
D
what
The question is ______can be put into practice.
#70272
A
how you have learned
B
how what you have learned
C
that why you have learned
D
how that you have learned