A: Spring is coming. Shall we go out for a 3._____________ to the countryside?B: Good idea! Life in the countryside is really simple and relaxing.A: I quite agree with you. The grass is greener and the air is 4. ____________ than those in the city.B: That's right. Getting close to nature is also good for our health. Is the weeken OK?A: Yes, it's fine. Maybe we should spend more time 5._______________ the beautiful nature scenery in the future.B: Sounds wonderful.