Most Americans would prefer to keep their problems ______ themselves, and solve their problems ______ themselves.
Tom hardly had time for concerts at that time, ________?
—Must I return the book tomorrow?—No, you ________.You can keep it for three days.
The Olympic Games is held ________.
Hainan is a very good island.It's the second ________ island in China.
The accident happened ________ a cold winter morning.