напишите пять предложений с этими словосочетаниями shorter than, the biggest of, more expensive than, the best, worse

Shorter than, the biggest of, more expensive than, the best, worse than.

1. River Mississippi is shorter than river Amazon. 

2. We have a few aims, the biggest of which is to live in peace.

3. Gold is usually much more expensive than silver.

4. She has been among the best specialists in our company for twelve years.

5. I can\'t even imagine a situation that would be worse than yours.