Postage ______, the necklace will cost you at least 650 yuan.
_______ you’ve got a chance, you might as well make full use of it.
He devoted himself ________ to his research work, having no time to play.
The girl looked at me with a ________expression at the ______ computer program.
The factory used 65 percent of the raw materials, the rest of which ________ saved for other purposes.
---How could you _______ my sister so easily in the crowd ? ---Because she stood out in a red dress.