( )(7)We have two new friends ___ our class .A. in B. at C .on
( )—Thank you. —__________.
( )
( )—Is this watch__________? —No, it isn’ t. It’ s__________.
( )What’ s__________the picture?
( )—Is her sister a teacher or a student? —_____________.
( )__________look__________the blackboard.