您要查找的是不是：
- Is this Papa's sock? 这是爸爸的袜子吗？
- Is this your football sock? Where's the other one? 这是你的足球袜吗?另一只在哪儿呢?
- Whose sock is this? Is it yours? 这是谁的袜子?是你的吗?
- Jim, is this your football sock? 吉姆，这是你的足球袜吗？
- Is this equipment tested for mechanical aptitude? 这台设备测定了其机械适应性了吗？
- Is this reference book of any use to me? 这本参考书对我有用处吗？
- It is this molecular motion that we call heat. 就是这种分子运动我们称之为热。
- Is this the original drawing or is it a copy? 这是原画还是模本?
- Is this Uncle Charlie 's pizza house? 这里不是Uncle Charlie's比萨店吗?
- Is this game a league match or a friendly? 这场比赛是联赛还是友谊赛？
- Is this your first visit to London? 这是你第一次访问伦敦吗？
- Front desk clerk. Is this Mr. Lie? 柜台服务员，请问你是李先生吗？
- John, is this the right way to operate the machine? 约翰，这是操作这台机器的正确方法吗？
- Here is this week's market price for sheep. 这是本星期的羊市价格。
- Hello. Is this Chief engineer 's Office? 喂，是总工程师办公室吗?
- How much longer is this going to drag on? 这事还要拖多久?
- Is this behaviour typical of the male sex? 这种行为是雄性特有的吗?
- Is this the right way to the zoo? 去动物园是走这条路吗?
- What stuff is this jacket made of? 这件甲克是用什麽料子做的?
- Is this condition set forth in the agreement? 这一条件协议中有提到吗?
