mary cleaned the room yesterday对 cleaned the room提问.

mary cleaned the room 对mary提问 mary cleaned the room yesterday对 cleaned the room提问. who cleaned the blackboard yesterday?--Mary( )单选A.was B.cleaned C.did cleaned the the house was cleaned Thus后的句子想给个解释,要不要用because引导从句?我在一个句子里用了Thus 但我又想解释原因,这个时候我是直接写句子,还是用because 引一个从句?例如：Thanks for my waking them up, the guy who cleaned roo Roo是什么意思? he has cleaned the classroom 对 cleaned the classroom提问 用 cleaned the room 提问 .九年级英语句型转换改为被动语态,1.Wu must plant trees every year.2.Will Mary sweep the loor?3.Mary is going to wash the dishes4.Tom has cleaned his room5.A friend is playing the piano 九年级英语句型转换改为被动语态,1.Wu must plant trees every year.2.Will Mary sweep the loor?3.Mary is going to wash the dishes4.Tom has cleaned his room5.A friend is playing the piano she_____the blackboard before the teacher arrived.A,had cleaned B,cleaned C,has cleaned D,cleans The room requires being cleaned.为什么要把being cleaned改为cleaning 或to be cleaned 将下列句子改为被动语态.We must water the flowers. People cut down a lot of trees every year.He cleaned his bedroom just now.The teacher won't open the window.Mary has forgotten the book. 小熊维尼 春天的百亩森林 WINNIE THE POOH SPRINGTIME WITH ROO怎么样 英汉互译 1.be late 2.keep the roo clean and tidy 3.Mary,you must get your room___today after school.A.cleaned B.clearingC.to clean D.to be cleaned I cleaned the floor改被动语态