Though having lived abroad for years，many Chinese still________the traditional customs.

Let’s　　the matter until the next meeting,because it’s too late to begin a discussion on it now.

It’s quite normal to    ten percent of the cost of a building for a period of six months or so, in case faults are found in it.

The Mid-Autumn Day, which is a day for family reunion in China, _____ on September 12th this year.

Everyone should learn something about first aid, for every second will_______in an emergency.