It was an unpleasant subject ____ we _____ for a long time.
#76789
A
about which…discussed
B
about which…argued
C
over them…argued
D
which…argued
推荐题目
The book was written in 1946, _______ the education system has witnessed great changes.
#76753
A
since then
B
when
C
since when
D
during which
—When did your brother begin to show his interest in medicine.—It was a Saturday _____ he noticed his classmate experimenting on a frog in the lab.
#77644
A
that
B
what
C
when
D
which
I don’t know the reason _______ you were absent from the meeting, and I am not sure that someone will tell me the reason _______ you haven’t told me.
#76870
A
why; that
B
that; why
C
because; why
D
of which; that
Whitney Houston’s sudden death suggests that drug abuse is such a serious problem ___we should deal with properly.
#76772
A
as
B
that
C
which
D
where