The floor is very dirty. Will you please
题型:选择题
问题:
The floor is very dirty. Will you please _____? [ ]
A. mop it up
B. mop up it
C. to mop it up
D. to mop up it
The floor is very dirty. Will you please _____? [ ]
A. mop it up
B. mop up it
C. to mop it up
D. to mop up it