.If the firms failed to make enough money, they would __________.

American Indians ________ about five percent of the U.S. population .     

The islanders __________ fishing, so they value the waters around the island. 

—Mum, it is nice weather. I want to skate this afternoon. —Don’t you think the ice on the lake is too thin to ________ your weight. 

_________ some time for your family, which __________ a better family relationship.