Ответ:

  1. There's no need to hurry. There's plenty of time.
  2. He has no financial problems. He has plenty of money.
  3. Come and sit with us. There's plenty of room.
  4. She knows a lot, but she still has plenty to learn.
  5. It's an interesting town to visit. There's plenty to see.
  6. I'm sure we'll find somewhere to stay. There's plenty of hotels.