A. it B. what D. when 39. We are trying to help those children lost their parents in Yushu, Qinghai P A. which B when C who D. whose 40. My necklace is not the only thing is missing B. that 41. Nobody knows the reason she didnt come to the meeting A. that B which D. when 答案: DDBCA DACCBOA. it B. what C. that D. when 39. We are trying to help those children ______lost their parents in Yushu, Qinghai Province. A. which B. when C. who D. whose 40. My necklace is not the only thing _____is missing. A. which B. that C. what D. where 41. Nobody knows the reason _______she didn’t come to the meeting. A. that B. which C. why D. when 答案：DDBCA DACCBC