【英语目标八上M4U2及M4综合】完成句子？急求！！

1.(You had better do) exercise with us.It's good for you.
2.(I was too sleepy to) go on doing my homework.
3.(Why not spend time) doing more exercise?
4.(How long have you been) an English teacher?

二、完成句子
1.(It takes her two hours) to work by bike every day.

2.Doing exercise (has been a part of) my life.
3.Fast food (is harmful to our health).Let's stop eating it.
4.Tom (spends so much time on computer games) that he has no time to do exercise.
5.In order to keep healthy，(you had better stop working) and have a rest at home.
6.(It is beneficial for you) to go to bed early and get up early.