碳酸钙和氢氧化钡反应

英语翻译1.We were very excited because our class won the first at last.2.I had to get a new passport since my old one had expired.3.There were so many students in the class that the teacher couldn't talk to them all. she ( ) feel very well last night. She went to bed very late last night同义句转换 She___ go to bed ___it was very late last night 49.——You didn't wait for Mr.Black last night,did you?——No,but we ____.He didn't retur详解49.——You didn't wait for Mr.Black last night,did you?——No,but we ____.He didn't return home at all.A.couldn't have B.needn't have C.didn't need He stayed at home last night.He didn't go to the cinema.(保持原意不变) David came home very late last night,___?A.did he.B.wasn't he.C.didn't he.为什么? He didn’t go to bed until twelve o‘clock last night这句话中的didn't go为什么用didn't而不用肯定的词语,句子中didn't是否定的吗not.until是直到. He _________ (才睡觉) to bed until twelve o'clock last night. i didn't go to bed until twelve o'clock last night.I wonder( )did you do?A.what B whicn C whenD.where Mike ____(not go )to bed until 12 o'clock last night .So he __(get) up late.用括号中所给词的适当形式填空 I know they didn't go home until they finished that task.语法正确吗? The _____ didn't stop until they saved the last boy(fire)Private cars have made our lives far______(easy) They f____ arrived home at 11o'clock last night I ____(not,go)to bed until my mother came back home last night Not until I came home last night ____ to bedNot until I came home last night ( )to bed.A.Mum did go B.did Mum go C.went Mum D.Mum went为什么不能选C... I didn’t go to bed until my mother（ ）home.Agot Barrived inCreachDgot to 为什么my brother didn't go to bed until my father came back last night 要写my brother didn't go to bed until my father came back last night 不写my brother doesn't go to bed until my father came back last night I didn't leave home until mother came back 保持句意相同 I _____ _____ home until mother came back 单句改错：I didn't go to bed after eleven o'clock last night.You need see a doctor soon.This is iprtant for us to stydy English well. we didn't stop watching TV until 11;00 last night中的until可以换成什么? I studied until eleven o'clock last night(同义句) 英语 Tony didn't go to bed u____ eleven o'clock last night填空! he didn't go to bed until very late last night=he__ __late last night 单选 I'm sorry that I _____ you were here.A didn't knowB don't know这两个答案是不是都可以呢? ( ) 15. Oh, it’s you, Lily! ______ you ______ here. A. I don’t know, were B. I didn’t know, are 英语 —Do you know ________?—Next year.A.when he came here B.when did he come here C顺便讲讲为什么 Oh ,it's you.I'm sorry I__know you __here.Adon't are B didn't were C don't were请给出原因 when did you come hereA: Tow years agoB: For 2 years ----Hi,Nancy,I didn’t know you had come back.So have you graduated from college?----yes,i ___french for four years in nanjing.A had studied B studide 为什么不选a? Can you explain why 90% chinese students didn't come back?I don't know. come back when you finished the haitian gang missions 什么意思?侠盗飞车里的一个任务 ''come back when you huave finished the haitian gang missions''是什么意思