thank for 感谢

think of 想起，记得；想出，提出；考虑，关心

be able to (do) 能(做)，会(做)

be about to (do) 即将，正要

be absent from 缺勤，缺课

be abundant in 丰富的，富裕的

be accustomed to 习惯于，适应于

be acquainted with 与…相识，熟悉，了解

be active in 积极于

be afraid of 恐怕，害怕，担忧

be alive to 注意到，对…敏感

be angry at 因某事生气