12. 她在学习以提高自己的代数水平。

She was studying to ______　______ her algebra.

11.　　 忏悔之后他觉得好过一点，并且能轻松入睡了。

After confession he feels a little better and can sleep ______　______.

10.　　 People say Vancouver is Canada’s most beautiful city, s_______(包围) by mountains and the Pacific Ocean.

9.　　　　 She considers teaching a w_________(值得的) job.

8.　　　　 It’s said that the building is m_________ (模仿) after the great pyramid.

7.　　　　 The next morning the bushes and maple trees outside their windows were red, gold and orange, and there was frost on the ground, c______ (证明) that fall had arrived in Canada.

6.　　　　 Cycling is highly b__________(有益)to health and the environment.

5.　　　　 Being respectful to people is subjective, based on each culture, but in general it is probably not a good idea to give a hug to a boss or teacher. In almost every culture, it is not usually good to stand too close to someone of a higher r_______.(阶层)

4.　　　　 This scheme enables you to b________ (预算) cost through fixed monthly payments.

3.　　　　 She has the qualification for being a________ (录取)to the college.