How dirty the floor is! You should have someone _____ it at least twice a day.
#67340
A
mop
B
to mop
C
mopping
D
mopped
推荐题目
We firmly believe that war never settles anything. It only ___________ violence.
#65115
A
runs into
B
comes from
C
leads to
D
begins with
Joan saw her boyfriend off at the railway station. She waved until the train was  _____.
#72536
A
in sight
B
out of sight
C
at first sight
D
lost sight
I _________ him for his success in business.
#73259
A
enjoy
B
treat
C
believe
D
admire