The floor is very dirty. Will you please ?A. mop it upB. mop up itC. to mop it upD. to mop

问题补充：

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

答案：

(答案→)A. mop it up

B. mop up it

C. to mop it up

D. to mop up it

解析：句意：地板非常脏了，你能帮我把它拖了吗？固定句式Will you please一般接动词原形，表示请你做某事好吗？，注意当人称代词做由动词+副词构成的动词短语的宾语时，代词要放在副词前面，动词后面，故选A。