It was in the lab ________was taken charge of by Johnson ________they did the experiment.
#68046
A
where；which
B
which；that
C
which；which
D
that；which
推荐题目
_______ in the regulations that you should not tell other people the password of your e-mail account.
#72539
A
What is required
B
What requires
C
It is required
D
It requires
It is reported that two schools,____are being built in my hometown,will open next year.
#71776
A
they both
B
which both
C
both of them
D
both of which
It was not until dark _____ he found _____ he thought was the correct way to solve the problem．
#68092
A
when; that
B
that; that
C
when; what
D
that; what
—Our holiday in Beijing cost a lot of money.—Did it? Well, that doesn’t matter ______ you enjoyed yourselves
#41265
A
if
B
unless
C
while
D
or