4.The girl read the letter with tears_______ down her cheeks.
A. ran B. running C. run D. to run
5.——John went to the hospital alone .
——If he ______ me about it, I would have gone with him.
A. should tell B. tells C. told D. had told
6．"If I hadn't practiced when I was younger,” the musician says," I____ able to play so well now.
A. couldn’t have been B. won’t be
C. wouldn't have done D. wouldn't be
