Distinguished guests and friends, welcome to our school.             the ceremony of the 50th Anniversary this morning are our alumni（校友） from home and abroad.

It’s a bad habit to leave the work ______.

(2014·东北三校模拟)________about the student，the teacher called his parents to find out why he was so often absent from class.

__________ the global financial crisis, the Chinese government has taken many measures _______ people ‘s life to deal with it. 

 A great many visitors come to visit the church ________ the 13th century, which has brought large income to the local government.