口语运用：(每小题2分，10分)
A; Hi, Wang Wei. I haven’t seen you for a long time.________ _________?
B: I have been to my hometown in the countryside.
A: Great!______ _________?
B: The trip was great, but I didn’t feel very happy.
A: Why ?
B:I saw many unpleasant things.
A:_____________?
B: Sure. I couldn’t find any clean rivers or ponds.
A: ___________________?
B: I only saw white pollution everywhere. It’s terrible. _______________________ ?
A: The government can solve it. It has done something to improve the environment. So you needn’t be so worried. Everything will be better.