51 be made of 由……制成(制成以后還看得見原材料)

　　52 be not sure 表不確定

　　53 be on a visit to 參觀

　　54 be popular with sb 受某人歡迎

　　55 be quiet 安靜

　　56 be short for 表**的縮寫 eg: 陶 is shortfor 陶俊杰

　　57 be sick in bed 生病在床

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

　　59 be sorry to hear that

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

　　61 be strict in doing sth 嚴于做某事 eg : He's strict inobeying noles

　　62 be strict with sb 對某人要求嚴格 eg: Some students are notstrict with them selves 這些學生對自己不嚴格

　　63 be strict with sb in sth 某方面對某人嚴格

　　64 be supposed todo 被要求干什么

　　65 be sure 表確定

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

　　67 be sure of sth 對做某事有信心 eg: I'm sure of my head (myteacher 我相信我的大腦（老師）

　　68 be sure that sth 對做某事有信心 eg: I'm suer that he canpass the test 我相信他能通過考試

　　69 be sure to do sth一定會做某事eg: We are sure to pass thetest 我們一定會通過這次考試 We are sure to learn English well 我們一定能學好英語

　　70 be terrified of + 名/動doing 害怕……

　　71 be terrified to do sth 害怕做某事

　　72 be the same as … 和什么一樣

　　73 be used to doing sth 習慣做某事

　　eg: My father is used to getting up early 我爸爸習慣早He isused to sleeping in class 他習慣上課睡覺

　　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 叢句