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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 : Hes 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: Im sure of my head (my teacher 我相信我的大脑 68 be sure that sth 对做某事有信心 eg: Im 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 | 
