1 / a better / an improved / 更好的
2 / a branch / a division / 分支(機構)
3 / a plentiful / an abundant / 豐富的
4 / abandon / give up / 放棄
5 / abide by / stick to / 堅持，遵循
6 / abnormal / unusual / 不正常的
7 / abrupt / sudden / 突然的'
8 / accelerate / step up / 加快
9 / acceptably / satisfactorily / 令人滿意
10 / acclaim / hail / 向……歡呼
11 / account / consideration / 要考慮的事
12 / account for / explain / 解釋
13 / accumulate / collect / 積聚
14 / aircraft / planes / 飛機
15 / alleviate / lessen / 減輕
16 / allocate / assign / 分配
17 / allocate / distribute / 分配，分佈
18 / allow / permit / 允許
19 / almost / practically / 幾乎
20 / although / while / 引導讓步從句
21 / annoying / irritating / 使不愉快
22 / argue / contend / 爭辯
23 / arise / get up / 起牀
24 / arouse / excite / 使激動
25 / assemble / gather / 聚集
26 / assert / state firmly / 斷言
27 / assume / postulate / 假定
28 / at any price / for love or money / 不惜任何代價
29 / at stake / in danger / 在危險中
30 / attend to / wait on / 伺候
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