您要查找的是不是：
- Is this suitcase yours? 这个箱子是您的吗?
- This suitcase is the thing for me. 这只手提箱正合我的需要。
- This suitcase won't lock because it is too full. 这个箱子锁不上，因为装得太满了。
- This suitcase is too heavy for the child to lift. 这箱子太重，孩子提不起来。
- Is this your first visit to London? 这是你第一次访问伦敦吗？
- Will this suitcase hold all your clothes? 这个衣箱能装得下你所有的衣服吗?
- "Is this your vehicle, sir?" asked the policeman. “这是您的车吗，先生？” 警察问道。
- Will this suitcase hold all my clothes? 这只衣箱装得下我所有的衣物吗?
- Could you help me up with this suitcase? 你帮我把这箱子搬到楼上好吗?
- This suitcase is not half as heavy as that one. 这只手提箱还没有那只手提箱一半重。
- Will this suitcase hold all your clothes ? 这个衣箱能装得下你所有的衣服吗?
- Is this your parents' apartment? No, it's my brother's. 这是你双亲的公寓吗？不，它是我兄弟的。
- 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?
- This suitcase will carry enough clothes for a week. 这个衣箱可装足够一个星期穿用的衣服。
- This suitcase will serve for a seat. 这只旅行箱可以用作座椅。
- Is this game a league match or a friendly? 这场比赛是联赛还是友谊赛？
- Front desk clerk. Is this Mr. Lie? 柜台服务员，请问你是李先生吗？
