Traffic restrictions have come into effect in Beijing ______to improve the capital’s air quality and traffic situation for the 2008 Olympics

t bought me a book, the name _______I have forgotten

People can make silly mistakes about a person if they judge him ____ the clothes he wears[ ]

Must we finish our homework today?——— No, you _______________. You _______ finish it the day aftertomorrow.

I was so _________ as to believe everything he said. I now hate myself for being so simple-minded. [ ]