D )7.Alot of trees around here every year and we can enjoy fresher air now. A.plant B.is planted C.were planted D.are planted B )8.-Does she like singing English songs? -Yes.She singing English songs in her room. A.often hear B.is often heard C.often hears D.is often hearing 导航页导航页 ( )7.A lot of trees around here every year and we can enjoy fresher air now. A. plant B. is planted C. were planted D. are planted ( )8.—Does she like singing English songs? —Yes. She singing English songs in her room. A. often hear B. is often heard C. often hears D. is often hearing D B