Our government is trying to search for the airplane      has been missing for many days. 
#42689
A
what
B
that
C
who
D
why
推荐题目
I like the house in ________ I used to live.
#42958
A
that
B
which
C
where
D
what
The room _____ I live _____ is very large.
#42810
A
which, /
B
that, /
C
which, in
D
where, in
Do you like music    makes you relaxed?
#43236
A
it
B
what
C
who
D
that