问题描述：
We have two ping-pong bats(对划线部分提问） __ How many ping-pong bats_____you_____?
We have two ping-pong bats(对划线部分提问)
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How many ping-pong bats_____you_____?
We have two ping-pong bats(对划线部分提问)
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How many ping-pong bats_____you_____?
问题解答：
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