It was the President himself______ opened the door．
#84896
A
who
B
when
C
which
D
where
推荐题目
—How unhappy your roommate looks!—Yes, but he's not willing to tell me what it is ________ is troubling him.
#84716
A
what
B
which
C
as
D
that
Could it be in the restaurant in_______ you had dinner with me yesterday ________ you left behind your keys and wallet?
#84722
A
which；which
B
which；that
C
that；where
D
where；where
It was the training he had as a young man made him such a good engineer.
#85237
A
what; that
B
which; that
C
that; which
D
that; what
When I try to understand ________ that prevents so many children from being happy, there seem to be three causes.
#84675
A
why it is
B
what it does
C
why it does
D
what it is
It was 80 years before Christopher Columbus crossed the Atlantic______ Zheng sailed to East Africa
#84980
A
when
B
that
C
after
D
since