—Dave, it’s dangerous to swim here. Look at the sign.
—Oh, I _______ it. Thank you.
A. didn't notice B. won't notice C. hadn't noticed D. don't notice
— I’m not going swimming tomorrow afternoon.
— ________. I have to clean up my bedroom.
A. So am IB. Neither am IC. Neither I amD. So I am
—I’m very tired these days because of the senior high school entrance examination.
—Why not______music? It can make you ______.
A. listen to; relaxedB. to listen to; relaxed
C. listen to; relax D. to listen to; to relax
—Who’s the man over there? Is it Mr. Black?
—It ______ be him. He’s much taller.
A. may not B. can’t C. will not D. mustn’t
—Mr. Li ______ to Mary carefully when I entered the classroom this morning.
—He is very patient ______ he is young.
A. talking; but B. was talking; though
C. talks; though D. talked; however
— I’ll call your parents if your homework ________ before four o'clock today.
— Sorry, Mr. Li. I’m doing it right now.
A. isn’t done B. won’t be done C. doesn’t do D. won’t do