一般现在时和现在进行时练习题一、选择题练习。1、 Who _ over there now?A 、 singing B 、 are sing C 、 is singing D 、 sing2、 Its eight oclock. The students _ an English class.A 、 have B 、 having C 、 is having D 、 are having3、 Listen! The baby _ in the next room.A 、 crying B 、 cried C 、 is crying D 、 cries4、 Look! The twins _ new sweaters.A 、 are wearing B 、 wearing C 、 are wear D 、 is wearing5、 Dont talk here. Grandparents _.A 、 is sleeping B 、 are sleeping