He is working hard, ______will make him pass the final exam.

On leaving CCTV, Li Yong ______ a teaching position at the Communication University of China.

Did you find out the time of the train to Miami? —Yes, the early train is _______ to leave at 5:30 a.m.

With the guide ____ the way, we finally got to the village which we were looking for. [ ]

A Wechat(微信) is an invention ______ can help people talk to friends , share photos, ideas and feelings freely.