They go up and down______ A.on elevator B.in elevator C.with elevator D.by elevator
问题描述:
They go up and down______ A.on elevator B.in elevator C.with elevator D.by elevator
答
选D,他们凭借电梯上上下下。
答
d
答
D
答
选D 此处的意思是,他们通过电梯上上下下。