— May I smoke here?— No, you ______ . This is a no-smoking room.
— Amy, I called you yesterday evening, but nobody answered the phone. — Oh, I _________ a walk with my mother at that time.
— I hear the famous singer Xu Song may come to Weifang next month. — Really? _______ he comes, my younger sister will be very excited.
— You’d better not eat too much salt. It’s bad for your health. —_________.
— May I take the magazine out of the reading room? — No, you can’t. You _________ read it here. It’s the rule.
— If there are _____people driving, there will be ______air pollution. — Yes, the air will be fresher.