6．A．In a library．  B．In a restaurant．  C．In a clothing shop．

    5．A．Yes，I am．     B．OK，I will．             C．Sure．

    4．A．The smaller one． B．Yes，I like it．           C．They are interesting．

    3．A．Two hours ago．  B．Two hours．             C．In two hours．

    2．A．OK，we should work together．  B．Will you?   C．You are right．

    1．A．Yes，I would．   B．I Would talk to him．      C．Of course．