Happiness is a butterfly, which, when pursued, is always just beyond your grasp, but ________, if you will sit down quietly, may alight upon you.
Whatever is left over may be putinto the refrigerator,__________ itwill keep for two or three weeks.
He tried to escape __________ because he broke the school rule, but failed.
__________ the guidance of his director, he finishedhis report ahead of time.
—When did he begin to __________ painting? —At the age of 12.
The design has to __________to all ages and socialgroups.