Is it necessary to ___ as a group st school with classmates? Why?

Is it better for you to ____ for power and take the leading position or to be led by someone in a group project?

Your girlfriend asks you how she looks in a new stylish dress she bought and you don't really like it. Will you: a) up the ____ and lie to her that she looks gorgeous; b) spill the beans and make your girlfriend upset;c)buy her a new dress?

Have you ever pulled a _____ ? Why?

Is it a good idea for a teacher to always go the extra ____ to impress his students by making new exciting games/activities for every lesson?