Now more and more people are_______ the dangers of drinking and driving.

Tom, why did you make no reply to me when I called your name in the street just now?—Sorry, Jim, I_______ to my wife on the phone.

How did you find your trip to Huangshan?– ______ .

Do you know _________?– Yes, I do. She came here on foot.

Zhang Yining has trained continuously for six hours. _____ she is tired out.