问题描述: 按首字母填空 The students are busy s________for the coming exams. 1个回答 分类:英语 2014-10-09 问题解答: 我来补答 studying 再问: 为什么????????????? 要加ing 再答: be busy doing sth. 忙于做某事 The students are busy studying for the coming exams. 同学们正在忙于为将要进行的考试复习。 没错的,赶紧采纳哟~再问: 好的,我这就采纳. 展开全文阅读