题目内容：

 

Yu Bing: Hi, Mark! Have you watched the TV news this morning?

Mark:   No. 1. ________________ 

Yu Bing: Flight (航班) MH370 from Malaysia (马来西亚) to China disappeared last night.

Mark:   2. ________________ How many passengers are there?

Yu Bing: 3. ________________ Many countries are now searching for MH370, and yet we have no idea what happened to it.

Mark:   4.________________

Yu Bing: We are looking forward to finding the missing flight earlier.

Mark:   5. ________________