1.when the policeman arrived ,the robber -----------(disappear )
2.the boy who ------(borrow )my bike -------(not return )it yet .
1.when the policeman arrived ,the robber -----------(disappear )
2.the boy who ------(borrow )my bike -------(not return )it yet .
2.The boy who borrowed my bike hasn't returned it yet .
1.when the policeman arrived,the robber has disappered.
2.the boy who borrowed my bike hasn't returned it yet.
1、had disappered
2、borrowed。。。hasn‘t returned
disappearred
had borrowed、hasn't returned
^_^
1.has disappeared.
2.borrowed ,hasn't returned