They are putting too much carbon dioxide into the atmosphere, ______ prevents heat from escaping from the earth into space.
#31962
A
what
B
that
C
which
D
who
推荐题目
All the people around the world have the same simple dream _____ they will always live in peace.
#34514
A
that
B
which
C
where
D
when
________ some teenagers don't realize is ________ difficult life can be after they get addicted to drugs.
#30309
A
What; what a
B
That; how
C
What; how
D
That; what
—Will you go to Mary’s birthday party?—No, ____ invited, I can’t go to it. I’ll be too busy then.
#80120
A
if
B
unless
C
even though
D
when
That is the small house less than 20 square meters, under ______Roof lives a large family of three generations.
#31599
A
which
B
whose
C
its
D
that
My colleague has been recovering gradually since the operation, and it wont’ be long ______ he comes back to work．
#31739
A
before
B
since
C
after
D
when