当你想询问你有几本书时你应该怎样问?A. How many books do you have?B. How many pens do you have?
( )—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.__________.