6. be about to do 准备做……(不接时间状语，表示将来)
7. be absent from 不在、缺席
8. be absorbed in 沉迷于……、迷恋于……
9. be active in 在……活跃
10. be admitted into universities 被大学录取
11. be afraid of doing 担心某事会发生
12. be afraid of sth./sb. 害怕某人(物)
13. be afraid that… 恐怕……
14. be afraid to do 不敢去做
15. be after sth./sb. 找……
16. be along with 和……一起
17. be an expert on/in/at sth. 在……是专家
18. be angry at sth. 对某事感到生气
19. be angry with sb./sth. 对某人(物)感到生气