They go to school by underground里的by underground 划线,怎么提问

they usually go to school by underground they go to school by bike对by bike提问 They go to school by bike对by bike提问 They go to school by subway(对by subway提问) they go to school by bilk 对by bilk 提问 they go to school by( )【train】 可以说by trains么? They go to school by bus同义两种They ( ) ( ) ( )to schoolThey go to school ( ) ( )bus they go to school by bilk 对by bilk 提问---------------- ---------------they--------to school They often go to school by bike.同义句 go,school,they,every,by,day,to,bus they go to school by car 改写同义句 they go to school by bus.用yesterday改写句子? They go to school by bus 对本句提问 急用 they usually go to school by underground的同义句 They sometimes ____（go）to school by bus. They go to school by bus变否定和疑问 They go to school They go to school by bike.同义句转换 They go to school__ __ __.