After the earthquake, the president _____ a three-day period of mourning, the first-ever event of its kind for ordinary people.

----What do you think of the stand-up TV show by the comedian Zhou Libo?----I can’t help           it. I got           whenever I watched it!

．________ several important decisions based on emotion instead of reason, he felt bitterly regretted.

Parents________send their children to school when they reach six years old.

I have been convinced that the print media are usually more __________ and more reliable than television.