去年暑假，我去学游泳，那是很难忘也很有趣的一件事。
Last summer holiday, I learned to swim. It was very unforgettable and interesting.
去年暑假，我去学游泳，那是很难忘也很有趣的一件事。
Lastsummer holiday, I learned to swim. It was very unforgettable and interesting.
去年暑假，我去学游泳，那是很难忘也很有趣的一件事。
Lastsummer holiday, I learned to swim. It was very unforgettable and interesting.
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