吸取马航失联事件的教训,对于国外飞往中国的航班,应当（ ）

　Chairman Hu Jingtao’s ( ) in United States is Obama.

　The observation group traveled from South Africa to Oxford ( ) eight other African countries.

　Is there any ( ) flight that leaves on Sunday?

　The ticket indicates Air China as your ( ) carrier form San Francisco to Shanghai.

　All applicable flight restrictions conditions must be coded in the ticket ( )box.

　You must pay ( ) fare, because there is no discounts for this flight.

　Those planes are ( ) for charter.

　You can claim fire ( ) .

　Please fill up this ( ) for me.

　Oh, your flight is a（n） ( ) flight of CSN and KLM and that flight is run by CSN.