关于花朵的科普小知识（完形填空）
Do you know flowers? Where can you see 1 ? As we know, most flowers smell good, and 2 beautiful. They 3 have beautiful colors and shapes. But do you know the 4 of a flower? A flower is part of a 5 . Its job is to make seeds. New plants can 6 from seeds.
In the past, people 7 know how to plant them. So all the flowers were wild flowers. 8 people learned how to plant seeds, they started to grow the flowers in 9 . So we see all kinds 10 flowers in gardens today.
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