—Shall we go out for a walk?—Sorry, I can’t. I _____ my homework.A. do B. was doing C. am doing
My CD doesn't work well. I'll go and _______this evening.
This river is too wide for the swimmers _________.
He gave me two answers_________the question,but________of them is right.
He was going to put some signs old books.
You’d better English.