Wild geese have ① lives. They fly from one place to another. They 2 homes twice every year. In spring, they fly ③ . In autumn, they fly 4 Why do wild geese move around so much? In winter,they cannot find 5 food in the north, so they fly south in autumn. Then in spring, it is warm in the north, so they fly 6 .
A. south B. back C. North D. busy E. enough F. change
① ② ③ ④
⑤ ⑥