Our maths teacher set so difficult an examination problem ______ none of us worked out.
#76873
A
which
B
that
C
as
D
so that
推荐题目
The news has spread all over the country _____ Premier Wen Jiabao will attend the Copenhagen summit next week.
#78595
A
that
B
which
C
whether
D
what
A good advertisement, _____ people attach positive meanings, can contribute to the sales of a product．
#78507
A
for which
B
to which
C
of which
D
on which
I don’t like ____you laugh at her.
#77544
A
the way of which
B
the way
C
the way in that
D
the way by which