____________ —I’d like to buy a present for my father.

It is said that bad living habits as well as dirty surroundings, stuffy rooms and some other factors ________ the wide spread of H1N1.

The hip-pop singer is always drawing attention toissues that are usually ignored. That’s ____ is so great about him.

More than 50 plays will be performed at the arts festival, according to a senior official (官员) ______ the event.

________ parents say and do has a life-long effect on their children.— I can’t agree more.