Will and Shall

I have lost my wallet,I will come back  and search for it on my room. I am going on working day tomorrow. The book look so heavy,I'll help you with it. I have been away a long time ,when I return my hometown,maybe I'll find a lot of changes here.Don't talk about the date,the date will finish.After I see the notification which be noticed by school in the morning,I'll assemble some people to do the work.I think the test will finish later. Look at the advertising board,the store is going to close three minutes later.