按要求完成句子。
1. Drivers drive on the right side in China.（改为一般疑问句）
________________________________________________
2. I'm going to visit my cousin next week. (对画线部分提问)
________ are you ________ to ________ next week?
3. It comes from the vapour. (对画线部分提问)
________ ________ it ________ from?
4. I like swimming. (改为否定句)
I ________ ________ swimming.
5. Is your pen pal a boy?  Is your pen pal a girl? (合成一个句子)
Is your pen pal a boy ________ a girl?