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 please with 对…感到满意
56 be short for 表**的缩写
57 be sick in bed 生病在床
58 be sorry to do sth be sorry for sb
59 be sorry to hear that
60 be sorry to trouble sb
61 be strict in doing sth 严于做某事
62 be strict with sb 对某人要求严格
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
67 be sure of sth 对做某事有信心
68 be sure that sth 对做某事有信心
69 be sure to do sth 一定会做某事
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
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
77 begin to do = start to do 开始做某事 start…with…=begin…with… 以什么开始什么
78 between…and… 两者之间
79 borrow sth from sb 向……借…… lend sth to sb 借给……什么东西
80 both = the same(as) = not different(from) 表相同
81 both…and… …和…都
82 by the end of 到……为止
83 call sb sth
84 care 关心
85 catch up with sb 赶上某人
86 chat with sb 和某人闲谈
87 come in 进来
88 come over to 过来
89 come up with 提出
90 communicate with sb 和某人交流
91 consider + doing 考虑做什么
92 dance to 随着……跳舞
93 decide to do sth 决定做某事
94 do a survey of 做某方面的调查
95 do better in 在……方面做得更好 do well in 在……方面干的好
96 do wrong 做错
97 drop off 放下(某物)
98 Don't mind +doing /从句 /名词 不要介意……
99 each +名(单)每一个……
100 end up +doing