根据句子意思，在空格中填写适当的单词，使句子完整、正确。
1. Do you have a driver's _______? Or you shouldn't be allowed to drive.
2. Could you _______ me with information about student exchange programs?
3. The light bulb was _______ by Edison.
4. These days, I hear strange _______ outside every night.
5. Listen! There's someone _______ at the window.
6. We all know China is a _______ country.
7. I'd like to give it to _______ research. I want to help more sick people.
8. You are _______ to finish your homework on time. Or the teacher will be angry.
