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
This is the first book _______ my cousin bought me.
#42610
A
which
B
whose
C
what
D
that
There are some tales about dragons ______ ____   __ wings.
#42693
A
it; has
B
that; have
C
/; have
D
who; has
The man ________ was a friends of mine.
#43136
A
you just talked
B
who you just talked to
C
whom you just talked
D
which you just talked to
I know a place __ we can have a big meal.
#42880
A
that
B
where
C
which
D
what