I'm trying to find a free site ________(我能下载)korean songs．(download)

Still，there are some students who don't realize the use ________(我们利用)the information．(make)

Scientists ________(已计算出)that the world's population will double by the end of the century．(calculate)

As ________(社会发展了)day by day，with more and more advanced technology and ever－increased social wealth，the nowaday world is totally different from ever before．(develop)

With exactly two years to go until the London 2012 Olympic Games, Panasonic Corporation, announced today that a one－day event called “Get Ready for London 2012” in Trafalgar Square on July 27, 2010 to mark the occasion, ________(主办)．(host)

Many new workers ________(培训)and in half a year they will be sent to build a new railway．(train)

I'm calling to enquire about the position ________(刊登)in yesterday's China Daily．(advertise)

We are painting the walls as well as ________(修理屋顶)．(repair)

When asked ________(最需要的东西), the kids said they wanted to feel important and loved．(what)

The man made a promise to the reporters ________(绝不告诉其他人)where the old cave was．(tell)