题目内容：

1 

1.My brother has been in the ________ (军队) for half a year.

2.Riding a bike will save energy and _______ (减少) air pollution.

3. ---What are you doing?

---I'm ___________ (考虑) changing my job.

4.---Are you free, Maria? I'd like to talk with you. It won't __________(占据) too much time.

 ---No problem.

5. I have __________ (为……付款) the shirt. Let's go home.