be done be doingbe being done的具体区别,

be done be doingbe being done的具体区别, be done be done be done 和 be done it What should ____ must ____.A do,do B be done,be done C to be done ,do D do,be done I will be done it can be done seem to be done My will be done TO BE DONE怎么样 She advised that the work _at once Ais done B be done Cwas done Dwould be down My work ___,I went home.A.had been done B.done C.having done D.to be done 87.When your homework____you may go home.A.has done B.is done C.are done D.will be done You can play when your work__ A.Will be done B.is done C.has done D.was done You can go when you work___________A has done B is done C wil be done D was done 有关used的词组used to dobe used to sth.be used to doingbe used to dobe used for doing Our environment will be worse and worse unless something_______.A.was done B.is doneOur environment will be worse and worse unless something_______.A.was done B.is done C.will be done D.to be done Has all_can be done Awhat,done Bthat,been done Cthat,be done Dwhat,already done