He made up his mind to devote all he could to _______the poor.

________ have an internal clock that controls the beating of our heart, and the ________ of our breathing.

Bears_____ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.

I've ________ the habit of calling in on my grandparents on my way home from school.

Though these dresses are low in quality, they may ______ women who don’t want to spend much on clothes.