they did the experiment carefully carefully划线,用什么提问

They did Zero Impacton the Earth Did they clean the room?怎么回答? What did they do at the weekend? When did they arrive ( ) the airport How did they go to the 同上 How did they like the TV play? 英语翻译the same as they did before the team did not lose the game, 后面接did they? 还是did it? few well-known singers came to the concert,did they?yes,they did'nt.such as They.,did they?(造句) why did the pupils feel the way they did in the morning?如题.. 这句英文句子有何语法错误.或者是哪个词语用错?请给出正解 .谢谢the experim he devoted his energy to succeeding at last they went to the cinema ,____?A.didn't they B.do they C.did they D.don't they They did it in the classroom 这里的 in the classroom 是修饰did还是全句吖 When did they build the house?改被动 When did they invent the plane?改为被动语态. what did they invient the machine 的被动语态 what did they do in the birthday party?的意思.