___ himself in carrying out an experiment, he can’t spare time to look after his children.
Everything__________into consideration,they believed themselves more and returned to their positions.
__________ made her parents worried a lot.
The matter__________your study surely requires__________carefully.
__________in her best suit,the girl tried to make herself __________at the party.
__________ with the size of the whole earth,the highest mountain doesn’t seem high at all.