By using ears one can tell the direction ____ a sound comes.
Is this company _____ you visited Mr. Wang last week?
It is really a pity that as many as 58 lives didn’t ______ the big high-rise fire that happened in Shanghai on 15th.November,2010.
—Do you like traveling? —Sure. I _____ to Australia six months ago, but I _____ anywhere since then.
While shopping, you should make your own decision. You cannot simply depend on __________ is advertised on TV
Cheng Guangbiao announced that he would donate all that he had ______ the help he got as a student, following the all-out donation project of Bill Gates.