The ______ of living areas makes wild animals become fewer than before
They didn’t go to bed ________ they finished their homework.
Everyone in China tried ______ something for the Beijing Olympic Games.
It’s hard to ________ this kind of plant. You have to water it every day.
I don’t think fast food is good for our health, so I _______ go to MacDonald.
—_________ did he play soccer? —About 3 hours.