A teacher must see to it that every one of his students develops        .

Government officials cannot ________ accept bribes(受贿)，but in China quite a few take advantage of their power to break the rule .

Apple’s iPad2 uses a 9.7-inch touch screen like the iPad. ______, it is equipped with a pair of new cameras, which the iPad doesn’t have.

—— Is the bus stop far from here? —— It’s a quarter’s walk, ＿＿＿＿＿＿＿＿. 

 David jumped _____ to get the first ______ the beginning of the sports.