4 . 在任何情况下，坚持原则、明辨是非都是明智的行为。(sense)

6 . 在任何情况下，坚持原则、明辨是非都是明智之举。（sense）

7 . Directions: Fill in each blank with a proper word chosen from the box. Each word can be used only once. Note that there is one word more than you need.

A. make sense     B. in that     C. participate in     D. differ from     E. stick to     F. hold back    G. the instant     H. so that       I. take on        J. glance at     K. concentrate on

1. Whatever setbacks we meet, we should ________ our goals.
2. If you ________this project, it will mean a lot of extra work.
3. Though they are twins, they ________ each other in many ways.
4. This is such a moving story that I can hardly ________ my tears.
5. Some words and phrases in British English don’t ___________ to the Americans.
6. His parents encourage him to _______ the after-class activities at school.
7. I was deeply attracted by the great view_______ I arrived at this tourist attraction.
8. He is not likely to watch the basketball match ________he has many assignments to do.
9. You can have good performance in the exam on condition that you ________ every lesson.
10. He has been under much pressure recently, _______ his health has been affected.