一般现在时和现在进行时练习题及答案一、选择题练习1. Who _ over there now? A. singing B. are sing C. is singing D. sing2. It?s eight o?clock. 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. Don?t talk here. Grandparents _. A. is sleeping B. are sleeping C. sleeping sleep6. Tom is a worker. H
