您要查找的是不是：
- Peter,whose balloons are these? 彼得，这些是谁的气球？
- Whose balloons are these? 这些是谁的气球？
- Again, all balloons are capable of these methods. 同样,所有的气球都具备这些方法。
- Balloons are much easier to handle, and are also vastly cheaper. 气球操作起来却简单的多，造价也大为低廉。
- Whose woollen sweater are these ? 这些毛衣是谁的?
- MISS GAO: Whose sweaters are these? 高老师：这些是谁的毛衣?
- Whose woollen sweater are these? 这些毛衣是谁的?
- Whose are these clothes? They are ours. 这些是谁的衣服？是我们的。
- Most big balloons are now filled with helium. 现在许多大气球中充的是氦气。
- Whose papers are these? Somebody’s spaced out. 这些文件是谁的？有人心不在焉。
- Whose are these reference books? 这些参考书是谁的?
- 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。
- Balloon are used by mankindfor various purposed. 气球对人类而言有很多用途。
- 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？
- Balloons are much easier to handle,and are also vastly cheaper. 气球操作起来却简单的多，造价也大为低廉。
- The air in these balloons was heated by burning pieces of cloth. 这些气球里的空气是靠点燃布条加热的，
- She affirms this balloon being her. 她肯定这是她的气球。
- Are these stockings machine-made? 这些袜子是机器织的吗?
- The hats and balloons are ready. The ice cream and cake are ready. 帽子和汽球都是准备好的.;冰淇淋和蛋糕也是准备好的
- The balloons were already aloft. 气球已经升空了.
