(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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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
What a pity. Considering his ability and experience, he ____ better.
#89095
A
need have done
B
must have done
C
can have done
D
might have done