精选优质文档-倾情为你奉上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. sin g 2. It?s eight o?clock. The students _ an English class. A. have B. having C. is having D. are having 3. Listen! The baby _ in the next room. A. crying B. cried C. is cryin g D. cries 4. Look! The twins _ new sweaters. A. are wearing B. wearing C. are wear D. is wearing 5. Don?t talk here. Grandparents _. A. is sleeping B. are sleepin