当别人向你致谢,你该怎么回答:A. You are welcome. B. Thank you ,too.
( )—Is this watch__________? —No, it isn’ t. It’ s__________.
( ) What’ s__________the picture?
( )—Is her sister a teacher or a student? —_____________.
( ) __________look__________the blackboard.
( )—Can I see your photo? —Yes.__________.