Have you cleaned the blackboard of the laboratory,peter?--Yes,i__it after the first class.a.have done b.did c.will do 为什么不是a?.

Could I clean the bedroom for you?A.have cleanedB.had cleaned 选哪个 Have you feed the dog and cleaned your room?（请问这句英语是什么意思?） can you clean your room ,i have cleaned it had 行么、 hopeless behind the times? Don’t you think you’d better _____A. to have your machine cleaned B. to have cleaned your machineC. had your machine cleaned D. have your machine cleaned Whether you cleaned the room?是什么句 初中英语The student _their classroom whThe student _their classroom when the visitors arrived.A.have cleaned B.had cleaned C.was cleaned D.have been cleaned cleaned the i have cleaned the door twice（对画线部分提问 划线部分：twice)_____ ______ _____ you _______the door? Did you have anyone ____the classroom?Yes,I had the classroom( ) A.to clean,clean B.clean,cleaned I have already cleaned the room.(对cleaned the room提问） 快**********The windows are so bright,who ______them?_______上应该填have cleaned has cleaned还是cleaned?请讲出为什么 Have you cleaned your bed ______ Yes,I have ___Have you cleaned your bed ______ Yes,I have ______ cleaned it. Have you cleaned the blackboard of the laboratory,peter?--Yes,i__it after the first class.a.have done b.did c.will do 为什么不是a?. —Did you have anyone ____ the meeting room?—Yes.I had the meeting room _____.A.to clean,cle—Did you have anyone ____ the meeting room?—Yes.I had the meeting room _____.A.to clean,clean B.cleaned,cleaned C.clean,cleaned You don't _____need to clean the windows,for my sister did it earlierA.didn't need to clean B.needn't have cleanedC.must have cleaned D.cleaned They have cleaned the room already.改为一般疑问句 They have cleaned the room already.改为一般疑问句 （）内只能填一个单词（ ）cleaned the classroom（ Have they cleaned the classroom?（做肯定回答） the room have been cleaned yesterday,____反意疑问句?