Buying a Christmas tree is a holiday tradition for many Americans . One (1) found that almost eighty percent of American (2) had a Christmas tree last year.

 Many people (3) that Christmas trees come from forests (4)，most trees are carefullygrown on farms. Farmers plant and harvest Christmas trees as a crop, (5) fruits or vegetables. There are about 15, 000 Christmas tree (6)in North America.The industry employs more than 100，000people.

 Farmers (7)evergreen trees for Christmas trees. They remove seeds from the trees and plant them. Farmers care for the young trees(8) they are about three to five years old. Then farmers replant them in fields , cut the tops of the trees to (9) they are growing. This gives the trees the (10) that people will like.

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