New ways have been found to prevent the river ______.

Today one-third of the people on Greenland________ their living in the fishing industry.

―I’m too tired. I want to give up.― If you don’t ________, you’ll win in the end.

Don’t be ____by products promising to make you lose weight quickly.

“Don't ___ fault with each other.You both should learn from each other,” said the master.