Even if there is no scientific proof secondhand smoke causes cancer, there is no reason why nonsmokers should be forced to take this risk.
#67696
A
which
B
that
C
when
D
where
推荐题目
The black baby boy is at the stage he can only say a few simple words but not yet full sentences．
#67236
A
when
B
where
C
which
D
why
__________, they couldn’t make her change her mind.
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A
Hard as they tried
B
Tried hard as they
C
As they tried hard
D
They tried as hard
Tom and Jack went ______ they could find work.
#70776
A
every place
B
the city where
C
the place where
D
wherever
We will be shown around the city: schools, museums, and some other places, _______ other visitors seldom go.
#72566
A
what
B
which
C
where
D
when
When you read the book, you’d better make a mark _____ you have any questions.
#67720
A
at which
B
at where
C
the place
D
where