问题
选择题
—_____?
—Three.
A. What can you see in the sky?
B. Is there a plane in the sky?
C. How many planes are there?
D. Where is the plane?
答案
答案：C
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—_____?
—Three.
A. What can you see in the sky?
B. Is there a plane in the sky?
C. How many planes are there?
D. Where is the plane?
答案：C