1   

Don’t fight with your classmates. Every one in the class needs help and friendship. Remember your classmates are the best ones to help you in school.

          F  

In school, don’t feel something difficult or boring. You should join in all kinds of activities. You should be interested in all subjects.

   2  

Don’t make any excuse if you do not do today’s work and leave it tomorrow. If the class is held up(耽误), it’s difficult to catch up with others.

            3 

Eating good meals is important, or you will think about food in class. Go to bed on time and keep having enough sleep. Do more sports to keep your body strong.

           4   

If you get bad marks in your tests, you can feel unhappy. It doesn’t matter, in fact. A person can’t be always successful. Sometimes he also has unpleasant things.

     5  

You should not play computers too much on weekends. You should go out for a walk and do your homework every day.

A．come out

B．come up

C．catch up with

D．come up with