1 We ate some hamburgers for lunch.（some hamburgers)
问题描述：
1 We ate some hamburgers for lunch.（some hamburgers)
2 Simon and his father played table tennis yesteday.(yesteday)
3 Helen could read and write by herself.(by herself)
答
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如果是翻译成中文：
1.我们午餐吃了一些汉堡包.
2.simon和他的爸爸昨天玩了乒乓球.
3.Helen可以自己读和写.