I will return a message by next week.Okay?的意思是什么?

He will return home next week.（I'm sure） I think they will return next week.怎么改成否定句 by next week是什么用法 he will return back to his homework next week 改错 I will go to a place____(call)Dali next week I will have a week off next month.中off的语法 Must I return your book next week?______ 单选 they will go to london next week的意思 by this time next week ,i will have been working for this fi i will do it next week还是 i will do it in the next week? next i will do it next week还是 i will do it in the next week?next will/week/next/go/I/beijing/to(.)