－Mum,mayIgoouttoplayfootballnow?－Ofcourse,ifyourhomewor...

问题详情：

－Mum, may I go out to play football now?

－Of course ,if your homework ____.

A.     finishes      B. will be finished   C. is finished      D. has finished

【回答】

C 

知识点：动词语态

题型：选择题