B )5.Our teacher said that light faster than sound. A.travelled B.travels C.will trayel D.has travelled A )6.-What did you do to your brother? -I played a trick him. A.on B.to C.with D.at 导航页导航页 ( )5. Our teacher said that light faster than sound. A. travelled B. travels C. will travel D. has travelled ( )6. —What did you do to your brother? —I played a trick him. A. on B. to C. with D. at B A