they didn't give the book back to the library 这句话正确吗

they didn't give the book back to the library 这句话正确吗 -They didn't give the concert after all last night. -___________________________.A．Did they? Why not? B．Did they? Why didn’t? C．Haven’t they? Why? D．Didn’t they? Why not?答案是D I didn't remember_______her the book before.(give) They didn't find the lecture by the scientist difficult ------- they must have seen the film last week,didn't they?为什么要用didn't they呢?they must have seen the film last week,didn't they?为什么要用didn't they呢? i didn't remember (give) her the book before.（give）句子对不对? people didn't t____(有） TVs and they didn't go to the cinema. They didn't know Spanish,and the waiter____know EnglishA.didn'tB.donitC.doesn'tD.isn't Didn't they come to the party last week? They didn't tell tom the truth.改为被动语态 didn't they know the apponited time 如题, 改错：They didn't know where the mouse from. They didn't look after the children改为被动句 They didn't play soccer because the bad weather. 根据首字母填空：They didn't c____ the back door. They didn't go to the beaches last Sunday----- ------.填空 “The workers used live models,didn't they?”怎么翻译? Why didn't they use the lift?Because是什么意思?