See the flags on top of the building? That was _______ we did this morning.
#73048
A
when
B
which
C
where
D
what
推荐题目
The result of the survey shows successful people have in common is they all have confidence.
#69211
A
whether; that
B
what; that
C
what; why
D
which; that
This is the reason ______he didn't come to the meeting.
#73748
A
in which
B
with which
C
that
D
for which
There is a new problem involved in the popularity of private cars_______ road conditions need to be improved.
#72282
A
that
B
which
C
where
D
when