Many people are waiting _____ the train ______ the underground station.A. for…at B. with…at C. to…in
—White doesn’t look good _______ you,but you look cool _____ black.
—The green bag reminded the old man _____ the days when he was young.
—We find ______ impossible for us to learn a foreign language well in a short time.
—You should spend as much time as you can_____the piano.
—Do you know ______ I could pass the exam? —Sorry, I‘ve no idea.