As the Spring Festival is drawing ______, people are getting busier and　busier.

In the TV ad, the actress is asked to jump with her mouth ________ open, showing her ________ teeth.

He looked ________ at the news that his favorite team had lost the game and felt ________ that Martin should have taken part in it.

He devoted himself ________ to his research work, having no time to play.

It is very ___that the factory will have to close because the economic crisis .