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
