----How unhappy your roommate looks!----Yes，but he’s not willing to tell me what it is____ is troubling him.
#85453
A
what
B
which
C
as
D
that
推荐题目
We think that it’s love, generosity and perseverance make the world it is today.
#84898
A
what; that
B
that; what
C
which; what
D
which; that
It was only with the help of the local guide _______.
#84810
A
was the mountain climber rescued
B
that the mountain climber was rescued
C
when the mountain climber was rescued
D
then the mountain climber was rescued
Was it near the white building, if I may ask, __ __ Martin Luther King gave a speech "I have a dream"?
#85402
A
where
B
that
C
why
D
in which