What ________ Ann ________？
A．is；do B．are；doing C．is；doing
Look , Amy is playing ________．
A．a baseball B．the baseball C．baseball
They're ________．
A．jump B．jumping C．jumpping
She's ________．
A．swimB．swimming C．swimming
选择不同类的一项。(20分)
( )（1）A.run B．football C．basketball
( )（2）A.swimB．jumpC．music
( )（3）A.TVB．listenC．jump
( )（4）A.rowB．playC．table tennis