2.be not sure 表不确定
3.be on a visit to 参观
4. be popular with sb 受某人欢迎
5.be quiet 安静
6.be short for 表 … 的缩写
7. be sick in bed 生病在床
8.be sorry to do sth对所做的某事感到遗憾
9.be sorry to hear that很遗憾听到
10.be sorry to trouble sb麻烦某人感到抱歉
11.be strict in doing sth严于做某事
12. be strict with sb 对某人要求严格
13. be strict with sb in sth 某方面对某人严格
14. be supposed to do 应该做某事
15. be sure 表确定
16. be sure of doing sth 对做某事有信心
17. be sure of sth 对做某事有信心
18. be sure that 对…有信心
19. be sure to do sth一定会做某事
20. be terrified of + 名/动doing 害怕……
21.be terrified to do sth害怕做某事
22. be the same as … 和什么一样
23.be used to doing sth 习惯做某事
24. be worth doing 值得做
25. be（feel） afraid to do sth 害怕做某事
26. because+句子 because of +短语
27.begin to do = start to do 开始做某事
28. between…and… 两者之间
29. borrow sth from sb 向……借……
30. both = the same（as）= not different（from） 表相同
31. bother sb to do sth打扰某人做某事
32. by the end of 到……为止
33. call sb sth
34. care for关心
35. catch up with sb 赶上某人
36. chat with sb 和某人闲谈
37. come in 进
38. come over to 过来
39. come up with 提出
40. communicate with sb 和某人交流
41.consider + doing 考虑做什么
42. dance to 随着……跳舞
43. decide to do sth 决定做某事
44. do a survey of 做某方面的调查
45. do better in 在……方面做得更好
46. do wrong 做错
47. Don’t forget to do sth 不要忘了做某事
48. Don’t mind +doing /从句 /名词 不要介意…
49. each +名（单）每一个…
50. enjoy +doing 喜欢
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