31. The engineers are going through with their highway project, ____ the expenses have risen.

9.

66. If avoiding stress triggers （诱因） isn’t a good technique for dealing with stress, what is? Life experience teaches us positive confrontation （面对） s a good coping skill when we are faced with stress. Instead of avoiding a difficult boss, why not take every opportunity to work in his or her presence? Making every effort to tackle a problem on our own until we master it is a good choice. Taking action is good for our physical and mental health too.

3.

Conversation 28. 

30. Online shopping ____ over 15% of the sales volume at our partner stores.

28. He was not slow to realize his situation, ____ to see the coming danger.

32. Stressful environment leads to unhealthy behaviors such as poor eating habits, which ____ increase the risk of heart disease.

49. Volunteers are also needed in hospitals ______ children while their parents see a doctor.

44. More and more young people choose plastic surgery to ____.

63. 假如你想从事这项工作，你必须先接受三个月的训练。

19. She bought the dictionary ____ $35.