Mountain climbing _______ be tiring and many people feel sick as the atmosphere gets thinner.
#87119
A
need
B
can
C
must
D
would
推荐题目
I asked he ______ too much time watching TV, for he will sit for an exam.
#86749
A
not spend
B
not to spend
C
didn't spend
D
not spending
——My cat’s really fat. ——You____________have given her so much food. 
#90458
A
wouldn’t
B
couldn’t
C
shouldn’t
D
mustn’t
Disney used to ___ pictures in the family garage.
#88983
A
drawn
B
draw
C
drew
D
drawing