精选优质文档-倾情为你奉上 新概念一1-144课时态语法练习1. Its eight oclock. The students _ an English class. A. have B. having C. is having D. are having2.Listen! The baby _ in the next room. A. crying B. cried C. is crying D. cries3. Look! The twins _ new sweaters. A. are wearing B. wearing C. are wear D. is wearing4. Mrs Read _ the windows every day. A. is cleaning B. clean C. cleans5. We _ music and often _ to music. A.