—I haven’t seen you walk your dog recently? Why?—Well, I have _______ the habit, as it _______ too much of my spare time.
People nowadays spend_______they used to but buy less food, especially meat.
With the quality-oriented education being carried out, teachers won’t _______too much importance to students’ grades.
Don’t call me at 9:00 o’clock tomorrow morning ,when I_______a lecture at Harvard.
Simply ring me up, _______I’ll come to your help as soon as possible.
Environment-friendly Olympics requires Beijing to improve its environment, _______ turning it into an ecology-friendly city.