When you ____ others,you should say sorry at once.A,knock toB,knock atC,k
问题描述：
When you ____ others,you should say sorry at once.A,knock toB,knock atC,k
When you ____ others,you should say sorry at once.
A、knock toB、knock atC、knock onD、knock into
答
应该选D knock into 撞上.当你撞上其他人,你应该马上说对不起.
knock at敲(门)
knock on 敲击