(2013·江西南昌一模)Why ________ it get colder when we climb up a mountain? We are getting nearer to the sun!
#86580
A
ought to
B
would
C
should
D
must
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--Well done, Jack !  --Thanks. But given more time, I__________ it better.
#90017
A
shouldn't have done
B
could have done
C
might not do
D
could do
It is very important that you _______ for this examination.
#87731
A
get yourself prepared
B
must get yourself preparing
C
should get yourself prepare
D
could get yourself prepared