1£®As high school students, we should be neatly dressed when at school. are supposed to

2£®The teacher directed the gifted students towards the more difficult courses.   challenging

3£®I sincerely hope that you will consider my suggestions.

                                         take my suggestions into account

4£®Our class thought of the idea of how to take advantage of used materials.  came up with

5£®We should try to improve ourselves through learning and prepare for the future.    take pains; get prepared

6£®I want to tell you something about my plan for the summer vacation and I'd like you to help me.                                            do me a favor/lend me a hand

7£®Cinemas have gradually given way to the rise of the Internet and cell phones, and the ticket price is increasing.                                        on the increase/rise

8£®When you are bored with the people around, you'd better find a quiet place, listening to some classical music.                                                             fed up with