It is said that bad living habits as well as dirty surroundings, stuffy rooms and some other factors ________ the wide spread of H1N1.
He was too busily occupied _____ to the show.
We must _____ a new chair for the broken one.
My camera can be________ to take pictures in cloudy or sunny conditions.
After the accident,the police spent a week finding out the person who________ it.
Some people say that the parents should expect school to________ their children well and tell them what is “right” and “wrong”.