The poor old man lived alone and _________ a cold rainy morning.
I don't know _______.Can you tell me________?
. ----How do you improve your listening skills, Mary? ----I often do it _______ tapes and English radios.
Little Tom is ____ honest boy. He never tells lies.
A: Shall we go to Professor Tender’s lecture tonight? B: _______
A: I am so nervous. I am afraid I might forget what to say! B: _______