帮我做做题吧!A:Can/Could/Shall 1____ help you,madam?B:2____.Please

帮我做做题吧!
A:Can/Could/Shall 1____ help you,madam?
B:2____.Please 3____ there chairs to 4____ classroom.
A:Here we are.
B:Thank you for your help.
A:You are 5____.
A:Hi,Mike.Will you help 6____?
B:With p;easure.
A:7____ post 8____ letters for me on 9____ way home.
B:All right .Is there anything else I can do for you?
A:No,10____.