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

32 be careful當心;小心

33 be different from……和什么不一樣

34 be famous for以……著名

35 be friendly to sb對某人友好

36 be from = come from來自eg：He is from Bejing He comes from Bejing Is he from Bejing ? Does he come from Bejing ?

37 be full of裝滿……的be filled with充滿eg: the glass is full of water the glass is filled with water

38 be glad+to+do/從句

39 be going to + v(原) 將來時

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

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