Doctors have been researching      effect stand-up and other forms of comedy have on us.
#78880
A
which
B
what
C
whatever
D
whichever
推荐题目
I didn’t know  ________.
#38751
A
when did the plane take off
B
when the plane took off
C
when the plane takes off
D
when does the plane take off
He wanted to know ___ the English party.
#39308
A
when will we have
B
when we will have
C
when would we have
D
when we should have
I don't remember                the book yesterday.
#36976
A
where I put
B
where did I put
C
where will I put
D
where I will put
—I’d love to make friends with the boy ____ you think is easy to _____.—OK. I’ll introduce you to him at the party.
#79308
A
who; get on with him
B
whom; get on with
C
whom; get on with him
D
who; get on with