There is one mistake in each of the following sentences. Find and correct it

IV. There is one mistake in each of the following sentences. Find and correct it. (1p)
1. One of the most important things in life is a good health.
2. Comparing with other countries, Libya spends a high percentage of income on education.
3. Although Mark has been cooking for many years, he still doesn’t know to prepare French
foods in
the traditional manner.
4. People tend to make a lot of shopping at Xmas time.
5. When we arrived at the store to purchase the dishwasher advertise in the newspaper, we
learned that
all the dishwashers had been sold.