12)be afraid of (to do sth. that…) 害怕(做)……
13)be angry with sb. 生(某人)的气
14)be pleased (with) 对……感到高兴(满意)
15)be famous for 因……而
16)be strict in (with) 对事(人)严格要求
17)be from 来自……
18)be hungry/thirsty/tired 饿了/渴了/累了
19)be worried 担心
20)be (well) worth doing (非常)值得被……