— The floor is dirty. Would you please _?— With pleasure.A. mop it upB. mop up itC. to mop

问题补充：

— 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

答案：

(答案→)A. mop it up

B. mop up it

C. to mop it up

D. to mop up it

解析：Would you please 后面一般接动词原形，表示请你做某事行吗？人称代词做动词短语宾语时，一般要放在介词前面，动词后面，故选A。