How long do you think _______ the conflict between Japan and China comes to an end?

__ had been done, the workingefficiency of the employees still remained low

When you begin a sentence with “don’t tell anyone but …”, there’s a 90% chance that the person _________ someone[ ]

This famous article written by Henry is well worth , but I think it is not worthyat all. [ ]

The police ________ the lost child and tried to find his parents.