Someone has swept the room如何变被动语态?

Someone has swept the room如何变被动语态? ________the floor _________?A.Has,swept B.Have,been swept C.Has,been swept 1.Someone ______ the classroom .Look!How clean it is A.has swept B.will sweep C is sweeping D had swept但我不明白为什么不能选D啊,那个人已经清洁过了,不是过去吗? swept swept 一句英语翻译 The trend of microblogging has swept the country Recently the think fog and haze has swept across many areas of China Swept Away_Christopher After the 13th death,14th is Has not she always runs with someone who has When someone says he has a p_____memory someone has broken into the house句子中的 has someone stole my watch.someone has stolen my watch.someone stole my watch.someone has stolen my watch.2句意思有何分别? someone 英语翻译Sometimes someone has to walk out of your life,for someone better to walk in. Someone has sent her some beautiful flowers.Someone gave me your present yesterday..改成被动语态 someone who is guilty means someone has done something_____(违反）the law rumor has it/someone like you空间链接