It 's 5:15 now .Mom's plane( )(arrive)at 5:10.

问题描述:

It 's 5:15 now .Mom's plane( )(arrive)at 5:10.

should have arrived
It's 5:15 now.Mom's plane should have arrived at 5:10.
现在已经 5:15,妈妈乘坐的客机应该早在5:10就到达.