---Are you free after school? ---Sorry, I’ve planned to treat a friend of mine to dinner___for his help.
—Have you seen Jiang Wen’s movie Let the Bullets Fly recently? —Yes. I it twice last week, At home and in the theatre.
After having some alcohol, drivers tend tospeed when passing streets with less people.
Children exposed to air pollution are moreto suffering from different diseases.
—Did you enjoy the drama last night? —Yes. I’ve never seenon before.
I arrived late and missed the flight. I the traffic to be so heavy.