Environment-friendly Olympics requires Beijing to improve its environment, turning it into an ecology-friendly city

“Could we put off the meeting?” she asked —“ ____ ,” he answered politely “This is the only day everyone is available”

If you sleep less than 7 hours a day, you are moreto catch a cold.

The population of Henan is ________ than that of Shandong.

31 Einstein didn’t care for money Once he used a check _____ $1000 as a bookmark and then he lost it