单数变复数的句子练习

例句：1.Iamateacher._______teachers.2.Sheisagirl._______girls.3.Heisaboy________boys.4.Ihaveanapple.Ihav2____.练习：1.Ihaveabag.Ihave10____.2.Heisateacher.______teachers.3.I’dlikeahamburger.I’dlikesome______.4.Thereisabookonthedesk.There___2____onthedesk.作业：1.Theelephantisbig.The________big.2.Thereisatomatoonthedesk.There___10____onthedesk.3.Sheisastudent.______students.