—The train is due to leave at 7：50.—________ we fail to arrive there in time?—I'm afraid you'd better go in a hurry.
#29963
A
What if
B
As if
C
Even if
D
Only if
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________book you choose on the shelf __________ our school library.
#33923
A
Whichever; is belonged to
B
Whichever; belongs to
C
No matter which; belong to
D
Whatever; is belonged to
To enjoy the scenery, Sara would spend long hours on the train ______ travel by air.
#33839
A
as to
B
other than
C
instead of
D
rather than
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
----The 2011 College Entrance Examination has just been over!----Yes, it will be about two years _____we attend it.
#32885
A
until
B
before
C
after
D
since
I think you should work harder ________ you are satisfied with the way things are.
#30410
A
if
B
when
C
since
D
unless