According to ______ new law, China will set up compulsory standards on food safety, covering ______ wide range from the use of additives to safety and nutrition labels.
We arrived at work in the morning and found that somebody ________ into the office during the night.(2011·江西)
By the time Jack returned home from England,his son ________ from college.(2011·辽宁)
In the last few years thousands of films ________ all over the world.
— Alvin,are you coming with us?—I'd love to,but something unexpected ________.
—I remember you were a talented pianist at college.Can you play the piano for me?—Sorry,I ________ the piano for years.(2012·湖南)