The number of red-crowned cranes is getting ___________.
#47849
A
small and small
B
little and little
C
smaller and smaller
D
less and less
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After practicing for several months,I can swim much__now.
#46559
A
slower
B
slowest
C
faster
D
fastest
Hiking is__________ camping.I like both of them.
#47024
A
not as interesting as
B
more dangerous than
C
as interesting as
D
as dangerous as
You are _______ out all the difficult problems .
#46916
A
enough clever work
B
enough clever to work
C
clever enough to work
D
clever enough work