题目内容
() 6. [2015 •宜宾改编]Look!There are some birds in the sky. They are very beautiful.
A. to fly B. fly
C. flying
6. C
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题目内容
() 6. [2015 •宜宾改编]Look!There are some birds in the sky. They are very beautiful.
A. to fly B. fly
C. flying