—Oh,dear!Yourroomisinsuchamess.   —Sorry,mum.I’ll

问题详情：

 —Oh, dear ! Your room is in such a mess.

    —Sorry, mum . I’ll ______at once.

    A. put it up                B. look it up           C. clean it up

【回答】

C

知识点：动词和动词短语

题型：选择题