下列关于搜救马航MH370飞机的工作，正确的是（  ）

absolutely want to get the truth of Malaysia Airlines MH370, _______ wait until the timing is right. Malaysia Airlines Flight MH370 was expected to land in Beijing the morning of 2014,March 8. 据外媒报道，美国总统奥巴马当地时间19日称，目前美国已经与马来西亚政府密切合作，美国将会把搜索失联的马航MH370客机视为美国“首要任务”，并将投入一切资源。由此我们可以判定（） ①美国的国家利益决定了这一“首要任务”的确定 ②霸权主义是马航MH370客机搜救工作的严重障碍 ③美国与马来西亚间的合作实质上是一种利益驱动 ④美国强大的综合国力决定美国必定参与搜救行动 No matter how hard the government has tried to search for it, the missing Malaysian flight MH370 is still nowhere _________. Have they found the lost flight MH370?—Not yet. I’m really ______ the people on the plane. MH370 with 239 people_______ （失去，丢失） contact on March 8th, 2014. 2014年马航MH370失联后，美军太平洋舰队使用拖曳声波定位仪帮助寻找残骸，其水下拖曳部分会被船只拖着在海上缓慢行进，速度通常是（）。 Malaysia Airlines Flight MH370 seemed to have been ______ to only a mystery after so long and hopeless a search It was a difficult time for the relatives of Missing MH370 Passengers when they heard the bad news , but they didn’t ________ hope. I heard the news about the missing airplane MH370 ________ the morning of 8th March, 2014. Malaysia Airline Flight MH370 seemed to have been _______to only a mystery after so long and hopeless a search. news came to us as great surprise that Malaysia Airlines Flight MH370 crashed with 154 Chinese passengers on aboard. I hear the plane of MH370 has been found!—Really？I wonder if some people are still alive. Malaysia Airlines Flight MH370 seemed to have been ______ to only a mystery after so long and hopeless a search． de the public heartbroken _____it was officially announced _____the Malaysia Airlines Flight MH370 crashed, killing all the 239 people on board. Malaysia Airlines MH370 Flight ______ happened on March 8th, it has aroused a widespread concern around the world. 2014年马航MH370失踪事件中，在马来西亚宣布失联客机最终坠毁南印度洋后的数小时，美国即派出装备有预定位声呐系统的海底航行器（）帮助寻找残骸。 The relatives of the passengers in the missing Flight MH370 cann’t hide their feelings, _____ they can make sure that the plane will make a safe landing on the airport. The flight MH370 lost contact with Subang Air Traffic Control_______the morning of March 8,2014. — We are sorry to hear that. The recent MH370 accident,______ more than two hundred people lost their lives, has renewed concerns over the safety of flight travel.