Is this all your own work?

　　這件作品是你獨(dú)立完成的嗎？

　　Is this a social visit, or is it business?

　　這是社交性的拜訪，還是業(yè)務(wù)性的？

　　Is this test a good measure of reading comprehension?

　　這種測試是判斷閱讀理解力的好方法嗎？

　　Is this the first time that you've flown?

　　這是你第一次乘飛機(jī)嗎？

　　Is this all the payment I get for my efforts?

　　這就是對(duì)我辛勞的全部報(bào)償嗎？