英语翻译新概念二Lesson66课的一个课后题.正确答案是把need have been 换成will have to

英语翻译新概念二Lesson66课的一个课后题.正确答案是把need have been 换成will have to I've already had lunch.Have you had lunch yet?这是新概念二第4课的课后练习 who will have been to --------of them has been turned to stone yet.这是新概念英语2里的一个课后题 用have gone to,have been to,have been in,go to造句(是用所有的不是选一个) They have been here once.把been换成came怎么样 英语的一个问题 have been to 新概念二册34课the police__dan's bicycle 但是是had found 我想说用have been 新概念二册34课the police__dan's bicycle 答案是had found 我想说用have been will have been doing和have been doing的区别 英语翻译这是新概念二册,第22课课后习题的第30小题中的原句. They have been attractions to tourist .能不能换成They have been a