The Australian boy has a good _____ of Chinese and can communicate with others freely.
Every time Ashtita tries to break a record, he reaches a point ______ he feels he cannot physically do any more.
The boy talked his mother ________ buying him a home computer.
When ______ about the secret of his success, Steven Spielberg said that he owes much of his success and happiness ________ his wife and children.
To enjoy the scenery, Sara would spend long hours on the train ______ travel by air.
The audience ______ when they heard the humorous story.