–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
推荐题目
The girl____was my girlfriend.
#42563
A
you just talked
B
whom you just talk to her
C
who you just talked
D
whom you just talked to
Lang Lang is a Chinese pianist ________ is famous all over the world.
#42602
A
who
B
what
C
which
D
why