用being done 或to be done 的形式填空1.Is this letter _____ (send) by air mail?填to be sent ,为什么不能填 being sent2.What i want is not _____ (interrupt) while i am working.填to be interrupted 为什么不能填 being interrupted

being done,done ,to be done的区别 with后面什么时候用to be done 什么时候用being done To be done与being done的区别 done ,being ,to be done 作定语时的区别 to done to be done to being done 三个表示什么时候?什么意to done to be doneto being done 三个表示什么时候?什么意思 being done用法问题I jumped back in time to avoid “being hit”.这里为什么用“being done”,而不用“be done”?“being done”在这里做什么成分?很疑惑, the teacher wants the work _____at once.A,doing B,being done c to be done d,to have done为什么选C呢,怎么不选A, be worth doing等于be worth to being done吗 there is so much work_____today would you be kind enough to lend me a hand?A,having done B,to be done C,being done D,will be done为什么选B而不选D. 用being done 或to be done 的形式填空1.Is this letter _____ (send) by air mail?填to be sent ,为什么不能填 being sent2.What i want is not _____ (interrupt) while i am working.填to be interrupted 为什么不能填 being interrupted being done 和 be doing ;done ；doing ; be done ;to be done 的用法 请详细点 谢谢 to be done、being done 和have been done 有什么区别啊~ be worthy of being done和be worthy to be done的区别如题~ your hair needs 为什么用to be cut 而不用being cut 有重谢your hair ____,you'd better have it done tomrrow为什么用to be cut那么用being cut 为什么不行 your homework ( ) by the time i come backA is to being domeB is doneC is to been done D is to be done after ten minutes'reading,we stopped__some written exercises.A.to do B.doing C.to be D.being done 英语 区分 doing to和 be doing,being done 和 to be being done .请帮我区分一下 doing to和 be doing,being done 和 to be being done . 用这两个英语短语造句~1、be worthy of being done2、be worthy to be done