1. be able to do sth. 能够做某事
2. be about to do sth 即将做某事
3. according to sth. 根据、按照
4. act as担当
5. add up to 合计达
6. in advance 预先
7. advise sb. to do sth。建议某人做某事
8. afford sb sth. 给某人提供某物
9. afford 钱for sth. 买得起某物
10. be afraid of 害怕
11. after all毕竟
12. again and again再三地
13. once again 再一次
14. now and again有时
15. at the age of 在…几岁时
16. agree to do sth. 同意做某事
17. agree with sb. 同意某人意见
18. agree on sth。对…意见一致
19. ahead of 在…之前;超过
20. get ahead 胜过，超过
21. aim at 瞄准， 针对
22. by air 乘飞机
23. in the air流传;不确定;
24. all over到处
25. in all 总计
26. not at all 一点也不; 不用谢
27. first of all 首先
28. allow sb. to do sth。允许某人做某事
29. along with连同……一起，
30. be angry with sb。生某人的气