________there are a large number of chemical factories, the air is likely to be polluted.
#68049
A
Where
B
That
C
Though
D
As
推荐题目
On stepping into his room he was astonished to find the floor covered with _____looked like tiny insects.
#73973
A
that
B
something
C
what
D
anything
—The meeting is about to start, yet the speaker hasn’t turned up.— No one knows ____.
#70404
A
what the matter is
B
what is the wrong
C
what is the matter
D
how matter stood
----Don’t look down upon Bob. He has his own advantage.--- Oh, yes. _______ others are weak, he is strong.
#67497
A
If
B
When
C
Where
D
Though
Living in the mountain area has its problems, ________ obtaining water is a big problem.
#66944
A
of which
B
for what
C
as
D
whose
