Thereare_____studentsinourclass.Thatis19boysand21girls。
he(物主代词)__________
Therearen’t_____applesinthebasket,buttherearesomeonthetable
Sheis______(good)thanAliceatswimming.
Lookoutofthewindow.(改为否定句)
______________________________
Theseare______.Youcanbuyapairforyourmother.