—How unhappy your roommate looks!—Yes, but he's not willing to tell me what it is _______ is troubling him.
#72642
A
what
B
which
C
as
D
that
推荐题目
You have to leave now _________ you can catch the early bus.
#41411
A
so that
B
as soon as
C
because
D
if
--- I think the environment is becoming worse and worse.--- Yes, I really don’t know we can do about it.
#68628
A
which
B
whether
C
that
D
what
He disappeared last month, _______ we have heard nothing of him.
#69495
A
when
B
after which
C
from which
D
since when
Wang Gang is considering buying a computer, is considered to be a great help in our work and study.
#68954
A
as
B
which
C
that
D
what
Along with the letter was his promise _____ he would visit me this coming Christmas.
#68362
A
which
B
that
C
what
D
whether