Even if there is no scientific proof secondhand smoke causes cancer, there is no reason why nonsmokers should be forced to take this risk.
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which
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that
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when
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where
推荐题目
_____ different life today is from _______ it was thirty years ago.
#72386
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What; what
B
What a ; what
C
What a; how
D
How; what
The notice came around two o’clock in the afternoon _______ the meeting would be put off.
#67993
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when
B
that
C
whether
D
how
I had reached a point in my career _____ I needed to decide which way to go．
#71490
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why
B
which
C
when
D
where
I think the biggest problem in banning smoking is ______ people can buy cigarettes easily.
#67054
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that
B
whether
C
where
D
how
Please arrange an interview with the manager tomorrow , or it is convenient to him .
#68104
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whenever
B
however
C
whichever
D
wherever