最佳答案:

　　A

　　1、tired

　　2、stomach

　　3、exam

　　4、really

　　5、noise

　　6、teenage

　　7、mad

　　8、Perhaps

　　9、lonely

　　10、marks

　　B

　　1、get low marks

　　2、getting fat

　　3、to exercise more

　　4、drove me mad

　　5、feels tired

　　6、all day

　　7、are on

　　8、too much

最佳答案:

　　A

　　1、to open

　　2、feel

　　3、to finish

　　4、problems

　　5、worried

　　6、earlier

　　7、managing

　　8、to do

　　B

　　1、eat up

　　2、How/What about writing

　　3、if/whether；cleaned

　　4、if/whether she

　　5、Does；drive

最佳答案:

　　1、It's unhealthy for you to eat too much./ Eating too much is unhealthy for you.

　　2、The TV next to my home is always on.

　　3、Most students don't get enough sleep.It is a serious problem.

　　4、Some parents work all day.They don't have time for their children.

　　5、——Do you have any problems？

　　——Yes.I always feel sleepy in class.