A-A+ He is very busy ______ or the term paper now.A 2022-08-05 14:43:29 问答库 阅读 169 次 问题详情 He is very busy ______ or the term paper now.A．preparedB．being preparedC．to prepareD．preparing请帮忙给出正确答案和分析，谢谢！ 参考答案 正确答案：D解析：be busy doing sth.: 忙于干某事。其中，busy后接动名词doing。
