are busy preparing可以换成（）A、are busy to prepareB、are busy withC、are busy to preparingD、are busy for prepare

people are busy preparing for are busy preparing可以换成（）A、are busy to prepareB、are busy withC、are busy to preparingD、are busy for prepare people are busy preparing for it的同义句 选择We are _ for the test.A busy prepare B busy preparing C busy to prepare D busy to preparing busy preparing的意思 Are you busy now?Yes,i am busy preparing for the coming exam翻译汉语 Before Spring Festival ,people are busy .it.[a.with prepare to b.preparing for c.preparing tod.to prepare for] 英语句子改错（每句一处）1.they are busy preparing an evening party. we are busy ( )our lessons these days.a ,prepare!b,preparing c,to prepare d,prepared we are busy (preparing )our lesson these days括号中为什么填ING形式 The students are busy preparing for the national entrance examinations ____(come)请写明原因 The students are busy making __for it 用prepartion 不用preparing The teachers are busy preparing the exams these days .the teachers are busy_______the exams these days the teachers are busy _______the exams these days The library's study room is full of students _ for the exam A:busily prepared B:busy preparing C:busily prepare D:are busily preparing are preparing是什么意思 You seem very busy these days.Are you ____(prepare for)the exam 这个为什么要填preparing for? The students are made__their final exam.A.busy pThe students are made__their final exam.A.busy preparing for B.busy to prepare C.to busy to prepare D.busyprepare 选什么为什么 有一道英语单选题We will have the final examinations next week,so our teachers are busy ____the exams.A.preparing forB.preparing为什么答案选B 不选A 呢?preparing 也是为考试准备呀