题目内容
2. Don' t keep the little bird in the (笼子).
3. You have to do all the exercises before you open the (宝藏) box.
2. cage 3. treasure
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题目内容
2. Don' t keep the little bird in the (笼子).
3. You have to do all the exercises before you open the (宝藏) box.
2. cage 3. treasure