Написать 7 разделительных вопросов на языке.

Ann and Liz work in a bank, don`t they?
Ann and Liz don`t work in a bank, do they?
Tom is from London, isn`t he?
Misha can help Robin, can`t he?
He mustn`t help Robin, must he?
Misha didn`t see my friend last month, did he?
They were at home, weren`t they?