If you win the competition, you will be given _____ to Europe for two.
--How do you like this piece of music by Tan Dun?--Well,of all the music that he has written,I think this is his ____ one.
--This kind of sports is exciting.--Yes,but it's dangerous.One can't do it ____ he or she has got some training.
--Could you tell me ____?--Until tomorrow afternoon.
--How can we help the children in the mountain village?--We can ____ leaflets to ask people to donate money.
Chairperson Xi calls on us to do what we can ____ as much as possible.