— The floor is dirty. Would you please _
题型:选择题
问题:
— The floor is dirty. Would you please _?
— With pleasure.
A.mop it up
B.mop up it
C.to mop it up
D.to mop up it
— The floor is dirty. Would you please _?
— With pleasure.
A.mop it up
B.mop up it
C.to mop it up
D.to mop up it