he aid from the whole country, the people in theflooded area of northeastern China managed to______thisunforgettable summer of 2013

Tomorrow is Tom’s birthday. Have you got any idea _____ the party is to be held? [ ]

In crowded places like airports and railway stations, you __________ take care of your luggage.

I think physics is very difficult to learn. Do you________ me

more than 1300 hotels in Europe, Africa, Middle East region have committedto _________ in the event, with many more ________ to join the effort.