用所给词的适当形式填空
1. For many people,__________ ( become) a pop singer is a dream.
2. I didn't find my bike__________( somewhere ) yesterday.
3. I think they will have a good time__________ ( skate ) in the mountains this winter.
4. The poor man made a living by__________( grow) vegetables.
5. I don't know how__________ (get) on with my new neighbour.
