语法词汇练习 语法大全 语法详解 英语听力 
Our government is trying to search for the airplane      has been missing for many days.
#42689
A
what
B
that
C
who
D
why
下一题
推荐题目
The man ______ gave us a talk on science yesterday is a famous scientist.
#42813
A
who
B
whose
C
won
D
Watched
I have a friend _______ would like to speak to you.
#43034
A
which
B
what
C
who
D
whom
Now China is fighting against illegal cooking oil（地沟油）, a kind of waste oil _____can cause a lot of illness.
#42592
A
which
B
whose
C
who
D
what
 It has to be a place       we can do lots of exercise.
#42998
A
that
B
when
C
which
D
where
–Do you know the boy ___ is standing under the tree?-Yes, he is my friend, Peter.
#43123
A
what
B
who
C
whom
D
whose