1. What a beautiful Christmas tree!
→How beautiful the Christmas tree is!
2. My sister couldn’t swim last year.
→My sister wasn't able to swim last year.
3. How much did you weigh two years ago?
→How heavy were you two years ago?
4. The road is 10 miles long.
→The length of the road is 10 miles.
5. His height is 5 feet.
→He is 5 feet tall.
6. The dictionary is 5 inches thick.
→The dictionary is 5 inches thick.
7. How broad is the window?
→What is the width of the window?
8. It is not easy to learn English well.
→Learning English well is not easy.
9. What is the matter with you?
→What's wrong with you?