He was so proud that he __________ others' help.
We should never _____ ourselves with a little book knowledge only.
The substance can be added to gasoline to ______ the speed of automobiles.
It’s hard for the young people to imagine what _____ conditions their parents once lived under.
Chinese farmers are mostly living a simple and _____ life as it is today.
She can not _____ her husband’s bad temper any more.