a group of一群
a kind of 一种，一类
a large number of 大量
a lot of(lots of)许多
a pair of一双
according to 按照，根据
after all 毕竟
after school放学后
agree to 同意
agree with sb同意某人的意见
all day long整天
all over到处
all right 行了，好吧
all the same 还是，仍然
all the time 一直
arrive in(at)到达
as soon as possible尽可能早
as well 也，又
ask for 寻求
at first 起初
at last最后
at least至少
at most 至多
at once 立刻
at present 现在
at school 在学校
at the moment现在
at the same time同时
at work 在工作
at weekends在周末
attend a meeting 参加会议
be able to 能够做
be absent from缺席
be afraid of 害怕
be angry at sth为…生气
be angry with sb 生某人的气
be bad for对…有害
be born in+地点 出生于..
be born into a family of …
be busy doing sth 忙于…
be busy with sth
be careful doing sth
be careful with sth 小心做…
be covered with sth 被…覆盖
be different from与…不同
be familiar to sth 对··熟悉
be famous for 以··著名
be fond of 喜欢
be full of 充满
be good at 擅长于
be located in/on/at 坐落于
be interested in 对··感兴趣
