Seeing the big crowd coming towards him, he started to run down the hill,but____   and went down on his hands and knees in the melting snow.
#10590
A
slipped
B
skied
C
signalled
D
sank
推荐题目
This book ____ 12 units, _____ the unit of Music. 
#12997
A
contains. Including
B
includes; containing
C
contains, includes
D
including; contains
I must have slept in an ________ position. I'm aching all over!
#11136
A
ambiguous
B
awkward
C
embarrassing
D
impressive
The moon is       the earth
#14522
A
as big as forty-nine times.
B
forty-nine times bigger than
C
as big as onethird
D
one-third the size of