用所给词的正确形式填空.    

1. I will go bike              (ride) with my friend tomorrow.    

2. He is              (leave) for Beijing next week.    

3. We hope we can have a             (relax) vacation.    

4. When you finish              (take) photos, please show them to me.    

5. I plan              (buy) a very interesting book.

“树上的鸟儿成双对，绿水青山的笑颜”是出自哪部经典黄梅戏选段？