----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
It was not just the size of the school but ________ it provides for us students________ made it unique.
#84772
A
that; that
B
what; that
C
what; what
D
that; what
Was it in 1997______he was still at middle school_______ this boy became an expert at computer?
#84903
A
that; where
B
when; where
C
in which; in which
D
when; that
— Do you know __________ they got to know each other? — It was last year ________ they both taught English in China.
#84674
A
when was it that; when
B
when it was that; that
C
when it was that; when
D
when was it that; that
It was ________I went there ________I began to know something about the matter.
#85008
A
until；when
B
until；that
C
not until；that
D
not when；that
It was along the Mississippi River ________ Mark Twain spent much of his childhood.
#84652
A
how
B
which
C
that
D
where