The train will arrive in ______ two hours.
— If there are ____ trees, the air will be cleaner.— I agree. Then there will be less pollution.
— You look scared. What happened?— Well , I _______ along the street ________ the UFO landed.
Tom was ill in bed today, so we all went to the old people’s home ____ him.
— Listen ! Helen is singing in the classroom .—It’s ______ .She hardly ever sings .
— Will there be more people in the future ? — No, ________. There will be fewer people.