Today is really busy for Jim. He is busy homework from morning to night.
- A.do
- B.does
- C.doing
- D.to do
答案
正确答案：C
知识点：非谓语动词
本题考查形容词busy的用法。busy，忙的，繁忙的。常用短语：be busy with sth.以及be busy doing sth。本题考查be busy后面接动词-ing的情况，答案为C选项，表示忙于做家庭作业。
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