They have stayed here for two hours.(句意不变)They have stayed here _____ two hours _______.

They have stayed here since 1999(对since 1999提问)（）（）（）they stayed here? They have stayed here for two hours.(句意不变)They have stayed here _____ two hours _______. They have stayed here since 1999.（对划线部分since 1999提问）_____ _____ _____ they stayed here? They must have stayed at hotel last night,____?A.mustn钬檛 they听听听 B. They must have been enjoying themselves there,or they _____ so long.[A] can't have stayed [B]wouldn't have stayed [C] needn't have stayed [D] couldn't stay为什么选B?清翻译整句 They have stayed with host families in Beijing for a week They have stayed here for two months.(改为否定句） They_____ ______here for two months. 下列英语句子改错一.The typist is away on her holiday this week.二.It has been stayed hot for about two weeks.三.My boss is hard to deal with,so I daren't to ask her for a rise四.They have fallen in love since they met for the first time. They must have liked that place unless they wouldn't have stayed here that long这句话的表述正确吗 My parents have stayed in beijing for two weeks.But they will stay there for a_____ two weeks 英语时态的问题疑惑They have stayed at home last nigh.last night能跟现在完成时连用吗?为什么? They have a d________________.Her name is Lucy. they have to help her do homework 同意句 They have go to help her和They have come to help her.如果不对说明理由 英语 根据句意补全单词The old couple have been a____ to the climate since they have stayed there for almost ten years. stayed stayed This is the hotel（ where they stayed）last month,为什么不是where they stayed at.