A pair of Li Ning trainers costs about 200 yuan, while a similar pair of Nike costs five times .
. --- ____ for the tree tickets,I would not have gone to the film so often.
--- ___it rain tomorrow, we would have put off the visit to the Yangpu Bridge.
He is the only one of the students who _________ a winner of scholarship for 3 years.
Parents ____ bring up their children under 16 and educate them properly.
All of us found _____ necessary to learn a foreign language.