1、我总结出来的规律是:Be动词练习题随堂练习一用am,is,are填空。1.I _____ a student.2.You ____ a doctor.3.she_______ from Jinan.4.You_____American.5.He _____ in Class 4, Grade 1.6.It_____ a car.7.They ____ cars.8.Your mother_______ in China.9.Your friends______ in New York.10.These _____ buse