To warm himself, the sailor sat in front of the fire rubbing one bare foot against .
—I think your brother is managing your parents’ shop the wrong way.—I agree. I regret _______it myself!
Upon ______the classroom, I started thinking about my mother.
Although it had been________ struggle for him to finish______ experiment, he enjoyed the result with________ satisfaction.
The map is one of the best tools a man has ________ he goes to a new place.
It is reported that the local police ________ the case of two missing children, but no much progress has been made up to now.