Though he was born and brought up in Australia, he can speak ______ Chinese. 

Operations which left patients____and in need of long periods of recovery time now leave them feeling relaxed and comfortable.

A good story does not necessarily have to have a happy ending, but the reader must not be left __________________.

It’s bad manners to keep _______ when your teacher asks you a question.

We were         when we heard of the news that the plane was crashed in the storm.