--Are you satisfied with the air today? --Not at all, it’s so foggy that I often get a cough. I think we all need much ________air to breathe.
Can you imagine what life will be like in ______ time?
—I can’t stop smoking, doctor.— For your health, I’m afraid you ______.
—Look at the noisy kids! —Haven’t you heard the saying “When the cat is away, the mice ______?”
—Who broke the window?— ______. A strong wind broke it last night.
—Are Li Yan and Wang Mei still living in Pingba? —No, they ____ to Shanghai.