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
This morning traffic was ____ by an accident outside the town hall.
#71073
A
held off
B
held up
C
held on
D
held over
People are _________the use of alternative energy sources. Because the fossil fuels _________will be used sooner or later.
#71491
A
pushing for/ consumed
B
struggling for /being consumed
C
pushing for/ being consumed
D
preferring /being used
Practising Chinese kungfu (功夫)can not only ____ one’s strength, but also develop one’s character.
#71541
A
bring up
B
take up
C
build up
D
pull up
It is sometimes difficult for a newly established corporation to ______ the changing demands of the market.
#84076
A
keep up with
B
catch up with
C
cope with
D
fight with