1. They are wide the road
2. (Prevent) is better than cure.
3. (Employ) is one of the biggest (problem) in our country
4. Do you like (policitian)? No, I like (physicist)
5. My sister is a (good) cook than I am
6. It is the English pronunciation that causes me a lot of (difficult)
7. He made too many mistakes in his (write)