学进去

Read and write（用所给单词的适当形式填空，每线词数不限）：
1. We shouldn’t _________ (run) in the classroom. It’s __________ (danger).
2. There ________ (be) a big fire near our school now. Firemen _________ (drop) water on the fire.
3. The policeman jumps into the river ________ (brave) to ________ (save) the little boy.
4. Ben and Eddie are talking on ___________ (they) way to school.
5. --- Where __________ (do) the fire come from? --- It __________ (come) from a cigarette end.
6. My classmates and I _______________ (have) an outing every spring. We______________ (have) a good time.
7. We should _________ (plant) more trees to ________ (make) air clean.
8. Eddie, ____________________ (not leave) rubbish on the ground.