II. Rewrite sentences, using the provided word keep meaning as that of the root one.
1. Thousands of people have to build that castle for him for years.
- That castle ..........................................................................................................................
2. She has never read this book before.
- It is .....................................................................................................................................
3. He failed in the examination last year.
- He did not ..........................................................................................................................
4. I haven’t eaten this kind of food before.
- This is the first ................................................................................