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   

61 be strict in doing  sth  严于做某事   eg : He's strict in obeying noles

62 be strict with sb   对某人要求严格   eg: Some students are not strict with them selves   这些学生对自己不严格

63 be strict with sb in sth    某方面对某人严格

64 be supposed to do   被要求干什么

65 be sure   表确定

66 be sure of doing sth     对做某事有信心    eg: He is sure of winning     I am sure of learning English well   

67 be sure of sth  对做某事有信心    eg: I'm sure of my head (my teacher   我相信我的大脑（老师）

68 be sure that sth  对做某事有信心   eg: I'm suer that he can pass the test   我相信他能通过考试

69 be sure to do sth  一定会做某事    

  eg: We are sure to pass the test  我们一定会通过这次考试     We are sure to learn English well  我们一定能学好英语

70 be terrified of + 名/动doing   害怕……      

71 be terrified to do sth     害怕做某事   

72 be the same as …    和什么一样

73 be used to doing sth  习惯做某事   

    eg: My father is used to getting up early  我爸爸习惯早起      He is used to sleeping in class  他习惯上课睡觉       

         He is used to working hard      He is used to hard work 他习惯努力工作  

74 be worth doing  值得做什么

75 be(feel) afraid to do sth    害怕做某事           be afraid of sth     害怕某物     be afraid that   丛句     

76 because+句子        because of +短语  

     eg : He was late because he had a headache           He was late because of his headache

77 begin to do = start to do 开始做某事  start…with…=begin…with… 以什么开始什么  

     eg : Let's begin the game with the song     I begin to go home   

78 between…and…  两者之间