Fill in the blanks using the following expressions.
1. in advance
2. self-sufficient
3. overtime
4. unreported
5. sight

1. I don't think the country could ever be ___ in food.
2. Many cases of bullying go ___.
3. She has very good ___.
4. The company's position with regard to ___ is made clear in their contracts.
5. You could have spared yourself an unnecessary trip by phoning ___.

The answer key
1. self-sufficient
2. unreported
3. sight
4. overtime
5. in advance