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
—What time will we go there?—I’m not sure.It the matter I have been getting along.
#80815
A
depends on
B
lies on
C
asks for
D
deals with
He always prefers a bicycle rather than on a crowded bus .
#69069
A
ride ; ride
B
riding ; ride
C
ride ; to ride
D
to ride ; ride
