1.      develop friendship with others

2.      get along---with

3.      be worth doing

4.      just for fun; have fun;

make fun of

5.      get good marks at school

6.      a surprise Math test

7.      must have sounded very proud of oneself

8.      be sure to

9.      score the lowest mark

10.  feel like doing/ would like to do

11.  be determined to do

makeup one’s mind to do

12.  admit doing;

admit to sb.;