The cleaners must prevent the street _____.
#38226
A
from getting dirty
B
to dirty
C
to get dirty
D
getting dirty
推荐题目
I don’t like science because it is not interesting .
#39028
A
fun
B
boring
C
difficult
D
beautiful
She is _______of the two. 
#39355
A
the cleverest
B
the cleverer
C
the clever
D
cleverest
I really don’t know where he comes from.
#43748
A
lives
B
is from
C
gets from
D
goes
 Everyone seems      except me. I can help you.
#36106
A
busy
B
busily
C
free
D
freedom