In the United States, there was an unusual tale telling of the daughter of a mechanic(技工). One day while walking along the bank of a lake, the girl (1) to see 20 eggs laid by a wild goose. After some time the girl (2) the mother would not return to her eggs and she (3) to take them home. There she carefully (4) the eggs in the heat of a lamp. Several days (5) the eggs broke and the baby geese came into the (6) .
Geese are known to take the first living thing they see as their mother. (7) , to these young geese,the girl was their mother. A. ago B. out C. later D. long

As they (8) , the girl was able to (9) her birds to run across the grass, but she could not teach them to (10) . The girl became increasingly worried about this, both when (11) and in her dreams. Later, she had an (12) : She would pilot a plane to guide them in (13) .She asked her father for a plane and he assembled (组装) a small aircraft for her. Caring about (14) safety, the father decided to pilot the plane himself. However, the birds did not (15) or follow him,and (16) slept in the grass.
One day, the girl (17) into the plane, started it and soon left the (18) . Seeing their mother taking to the air, the birds (19) flapped (拍打) their wings and (20) . She flew the plane freely in the sky,her young birds following.