问题
选择题
A plane is like a bird. Its two _____ help it fly high in the sky. [ ]
A. necks
B. feathers
C. wings
D. tails
答案
答案：C
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A plane is like a bird. Its two _____ help it fly high in the sky. [ ]
A. necks
B. feathers
C. wings
D. tails
答案：C
