It seems to some experts that 56．com, youku．com and tudou．com _____ 90% of the video market in this area．

Our English teacher always comes in _______ a smile on her face.

_________ in the burning building with the fierce fire totally _________, people hung on the windows, signing for help.

People depend on cars so much they forget to exercise their bodies and end up _______ various diseases.

He didn’t regret saying what he did butfelt that he ____ it differently.