辛巴狮子狗符文天赋s8:IV.(P31)用所给动词的正确形式填空.
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How many times_____ you ever_____(be) to the people's park?
have...been
问多少次用现在完成时态
have
been
have...been
have ...been
have
been
have been
have been to 曾经去过……