Complete the sentences with tag questions. 1. it's important to protect 2. we have to feed birds in 3. people have to take care of places where they 4 healthy way of life is not only good food,

1. It's important to protect nature, isn't it?
2. We have to feed birds in winter, haven't we?
3. People have to take care of places where they live, haven't they?
4. Healthy way of life in not only good food, is it?

1. It's important to protect nature, isn't it?
2. We have to feed birds in winter, don't we? 
3. People have to take care of places where they live, don't they?
4. Healthy way of life is not only good food, is it?