9. He is fond of literature, classics in p_____________.
10. We can all help r air pollution. For example, walk or ride a bike to school.
11. There are several _______ in the pages of figures. (fault)
12. You can r it to the police if someone has broken into your house.
13. After learning the biology, many students have learned about the ________ (进化) of plants and animals.
14. It r_________ to be seen whether the headmaster will approve our plan or not.
15. There are 12 counties and ________(区) in our city.
16. Why must we get up so early before the s________?