—Tom!Look at the man in black over there.Can you tell me ________?—Oh!He is my friend,Jim. A.what he is B.who he is C.how he is
Tom studies _______. He _______plays with his friends.
—do you exercise? —Hardly ever.
I have ____________ homework to do and I’m _______ tired now.
The problem is _________ difficult ________ students can solve them.
---Why don’t you go out to play, Rose? ---I’m afraid I can’t. I have much homework _______.