Rewrite the sentences without changing the meaning

Rewrite the sentences without changing the meaning
1. Do you have a better refrigerator that this?
 => Is this .................
2. My house is the oldest house on the street.
  => No house..............
3. Ths sweater is thicker than that one.
   => That sweater is........................
4. Her hair isn't long.
   = >Her....................
5. It's necessary to arrive on time.
   => We.....................