用方框中所给词的适当形式填空，使句意完整。
| careful，health，advice，million，sleep，near，well，mistake，west，comfortable |
1．What do you think is the best___________ for learning English?
2．What ___________ do you often make?
3．Scientists think that there has been life on earth for ___________ of years．
4．Where is the ___________ countryside to your school?
5．You like ___________ classical music，don’t you?
6．Please listen to the teacher ___________．
7．Yon look much ___________ today．
8．Mr Wang looks very ___________．
9．I feel ___________ now．I want to see a doctor．
10．Very soon she was ___________ in bed．
1．advice 2．mistakes 3．millions 4．nearest 5．western
6．carefully 7．better 8．healthy 9．uncomfortable 10．asleep