stepped (什么) the stairs A.on B.in C.into D.onto
问题描述:
stepped (什么) the stairs A.on B.in C.into D.onto
答
step into 走到……(内部)
step onto 走到……(表面)
step on 踩上…;踏上…
step in 插手,介入,干涉
此题选D