Mountain climbing ________ be very tiring, and many people feel sick ________ the atmosphere gets thinner.
#31554
A
may; while
B
can; as
C
must; though
D
should; for
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—Start out right away, ______________ you’ll miss the last train.—Don’t worry, but have you seen my ticket?
#31040
A
or
B
so
C
but
D
and
(2014·四川六校高三联考)________is surprising is that there are so many Chinese restaurants in Toronto.
#30030
A
It
B
That
C
Such
D
What
you know your potential, you have to rely on many other people to get to where you are.
#33309
A
Since
B
If
C
While
D
Once