There are more than 740 million Chinese _______ to second-hand smoking in public places now.
____today, he would get there by Friday.
Had they known what was coming next, they _________second thoughts.
Had you taken it more seriously, you ________ such a silly mistake.
_________, the world would be more harmonious.
(2014) ourselves from the physical and mental tensions,we each need deep thought and inner quietness.