您要查找的是不是：
- Are these melons ripe? 这些西瓜熟了吗?
- Are these Mary's pens? No, they are not hers. 这些是玛丽的笔吗？不，它们不是她的。
- Are these lettuces home-grown or did you buy them in the market? 这些生菜是自家种的呢，还是你在市场上买的？
- Are these stockings machine-made? 这些袜子是机器织的吗?
- Are these prices wholesale or retail? 这些价格是批发价还是零售价?
- How much are these houses going for nowadays? 现在这些房子的售价是多少？
- Are these made in this workshop? 这些都是在这个车间制造的吗？
- What are these two cassette decks for? 这两个卡式录音座是做什么用的?
- Whose woollen sweater are these ? 这些毛衣是谁的?
- Are these berries edible, or are they poisonous? 这些草莓可以吃，还是有毒?
- Could you tell me how much are these in US dollar? 您能告诉我这些用美元计算是多少钱吗？
- What are these? These are books. 这些是什么？这些是书。
- Who are these coming to the sacrifice? 这些人是谁呵，都去赶祭祀?
- Are these instructions clear enough? 这些说明够清楚了吗?
- Are these newspaper reports true? 报纸上这些报道属实吗?
- Are these clothes for everyday wear? 这是日常穿的衣服吗?
- "Are these strawberries your, mister? “这些草莓是您的吗，先生?”
- Look, are these rocks familiar to you? 你们瞧,这些石头看着是不是很眼熟呢?
- Why are these two existential checks bad? 这两个存在检查为何不好?
- Why are these two probabilities different? 为什么这两个几率不同?
