16. They are working _________ in the fields from sunrise to sunset. (hard)
17. You can work all the time. You need some rest and ______. (relax)
18. You need your parent’s ___________ before you can go on this school trip. (permit)
19. The cottage is surrounded by the _____countryside. (glory)
20. She has been in a bad condition by ____________ and illness. (poor)