l study by listening to tapes for the test .对划线部分提问 划线部分by l

l study by listening to tapes for the test .对划线部分提问 划线部分by l I study fora test （by listening to the radio）对划线部分提问 l'm going to the park by bus.(对划线部分by bus提问) I learn English by listening tapes （对划线部分提问,后三个） They have to （ study for the math test） on monday 对划线部分提问,括号 they went to the park by bike.对划线部分提问,划线部分by bike. l learned English by doing things.(就划线部分提问)划线部分:by doing thi He learned songs by listening to tapes.(对画线部分提问） He learned songs by listening to tapes.（对画线部分提问） The students go to the Greats Wall by car.【对划线部分提问】划线部分是by c We're going to the museum by taxi.（by taxi为划线部分）对划线部分提问 L usually go home by bike.(划线部分提问,by bike划线)