31 be busy doing sth  忙于做什么事      be busy with sth   忙于……

　　32 be careful  当心；小心

　　33 be different from……  和什么不一样

　　34 be famous for  以……著名

　　35 be friendly to sb   对某人友好

　　36 be from = come from  来自

　　eg ：He is from Bejing      He comes from Bejing      Is he from Bejing ?       Does he come from Bejing ?

　　37 be full of   装满……的          be filled with  充满      eg:  the glass is full of water       the glass is filled with water

　　38 be glad+to+do/从句

　　39 be going to + v(原）   将来时

　　40 be good at(+doing) = do well in     在某方面善长, 善于……

　　41 be good for  对什么有好处  eg : Reading aloud is good for your English

　　42 be happy to do             很高兴做某事

　　43 be helpful to sb  对某人有好处

　　eg : Reading aloud is helpful to you  大声朗读对你有好处

　　Exercising is helpful to your bady  锻炼对你的身体有好处

　　44 be in good health      身体健康

　　45 be in trouble   处于困难中  eg : She is in trouble      They are in tronble

　　46 be interested in   对某方面感兴趣

　　47 be late for = come late to 迟到   eg: Be late for class   上课迟到

　　48 be like  像……    eg : I'm like my mother

　　49 be mad at     生某人的气

　　50 be made from 由……制成(制成以后看不见原材料)

　　51 be made of  由……制成(制成以后还看得见原材料)

　　52 be not sure 表不确定

　　53 be on a visit to  参观

　　54 be popular with sb   受某人欢迎

　　55 be quiet  安静

　　56 be short for  表**的缩写   eg: 陶 is short for 陶俊杰

　　57 be sick in bed  生病在床

　　58 be sorry to do sth     be sorry for sb      eg : I am sorry for you

　　59 be sorry to hear that

　　60 be sorry to trouble sb      eg : I am sorry to trouble you