—Did you meet with the famous star?—______ I had come here earlier.
When he was young, his parents died and he had to _____ himself.
Whether life will continue on the earth will depend on _______ this problem can be solved.
Only when it is hungry______ a human being.
In such a cold day, people prefer to stay at home _______ go out.
It is amazing that an old lady of more than eighty ________ to live without food and water for nearly two weeks after a terrible earthquake and she was saved in the end.