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
 He bought some books, ______ were expensive.
#71965
A
most of which
B
the most of which
C
most  
D
the most of that
I can never forget the day _______ we worked together and the day ______ we spent together.
#73355
A
when; which
B
which; when
C
what; that
D
on which; when
Which of the following is TRUE according to the passage?
#70177
A
People from the USA and UK both speak English with the same accent.
B
People from the USA and UK both share the same customs and observe the same holidays.
C
People from the USA and the UK speak the same language and have the same culture.
D
Although people from the USA and the UK share the same language, they have huge differences in culture.