---Where did you find our chemistry teacher? ---It was in the lab he was doing his experiment.
#75765
A
that
B
where
C
which
D
in which
推荐题目
_____ in the library regulations that any book borrowed be returned by due time, or the borrower will be fined．
#78012
A
What is required
B
It is required
C
As is required
D
Which is required
People started to dig in the area for treasure, ____ caused much damage.
#78071
A
which
B
where
C
what
D
that
People ______ say “me”, “myself” and “I” frequently are more likely to suffer with depression and anxiety, according to a new research.
#76641
A
whoever
B
whom
C
whomever
D
who
They gave me so much help, without ____ I couldn't have succeeded last year．
#77205
A
them
B
which
C
it
D
that