6. calm down

5. wide (adj.)宽的(adv.)眼、口张大地----widely (adv.)广泛地 / wild (adj.) ----wildly (adv.)失去控制地

4. run in all directions

3. body (bodies)

2. traffic accident　　 natural disaster(s)

1. mop (mopped / mopping) mop…up

22. (fifty) per cent of …百分之(五十)的…

8A Unit 6

21. example　 / for example / take sth. as an example

20. the reason why+从句

19. care ----careful ----carefully　 /　 careless ---- carelessly