您要查找的是不是：
- Is this somebody rs seat? 这个座位有人吗？
- Is this somebody's seat? 有人坐在这吗？
- Is this your own work, or somebody else helped you? 这是你自己做的，还是别人帮你做的?
- Seat numbers 39 and 40 is this way. 30号和40号座位往那边走。
- It is this girl who has taken the seat. 就是这个姑娘占的位子。
- Is this equipment tested for mechanical aptitude? 这台设备测定了其机械适应性了吗？
- I beg your pardon. Is this seat taken? 请问，这个座位有人吗?
- I beg your pardon?. Is this seat taken? 请问,这个座位有人吗?
- 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。
- What is this magazine rs circulation? 发行量多少?
- Is this the original drawing or is it a copy? 这是原画还是模本?
- Elsa ： Excuse me. Is this seat taken? 对不起，请问这个座位有人吗？
- 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。
- Natalie Wood: Is this what's it like to love somebody? 娜塔莉：她看上去，究竟是爱上了哪一位？
- How much longer is this going to drag on? 这事还要拖多久?
