（2014年北京市西城区高三5月二模试题）23. It’s been discovered in the study ______ people are more relieved after forgiving others.

Beijing government puts more than 700 million yuan to increase its green space this year; ____________ doubles the money provided last year.

Our school_____ the 50th anniversary of the founding of CCFLS on October 5th, 2013.

Mr. Smith has ___collection of coins than anyone else I have ever met.[ ]

You are a ______ man now; you are no longer a boy.