1.go to work by subway/tube/underground
2.take a tube/subway to work
3.go to work on the tube
4.travel on the underground
5.by metro
拓展资料：
1、用“by+交通工具”表示交通方式.如：by bike, by bus, by car , by plane , by train , by subway 等.但是,“步行”用on foot , 而不是by foot. 例句：They go to school by subway every day . 他们每天乘地铁去上学.
2、用"take a +交通工具”表示交通方式.如：take a bus , take a train , take a ship , 但“骑自行车”要用ride a bike 来表示. 例句：Mr . Smith often takes a train to work . 史密斯先生常坐火车去上班.
