I.根据句意填单词，每空一词。(5分)
1. When you are ill, you should ________________ down and have a rest.
2. The dog seemed hungry, please a piece of meat to it.
3. We must ______________ on ourselves to solve the problem.
4. There is some rubbish on the floor. Please the floor.
5. They want to money for the students in the small village.
