－What do you think of the pollution－______ it’s serious, everyone can do something to save the world.

Is your home close to the school, John—No, it’s a long way, but I am ________ late for school because I get up early every day.

Can you tell me your ______of success—There’s no easy way to learn English well. Juststudy hard.

He fell off his bike and hurt hisback._____, he will have to stay in hospital for a long time.

He is always helping people without expecting anything _______