---David, your jacket is very nice.--- _______________ .
—Jerry, do you mind my pointing out your mistakes? —Not at all. Your advice is ______ to me. A. of value B. in short C. at work
—Cross the road carefully, ______ you will keep yourself safe. —OK, I will. A. or B. and C. but
—Tommy, don’t make a mess in your room. — OK, mum. I will ______ my toys at once. A. connect to B. play with C. put away
—Oh, you have made the same mistake again. —______. I’ll be careful in future. A. So have I B. So do I C. So I have
—I saw Jane on the street just now. —It ______ be her. She went back to Canada yesterday. A. can’t B. mustn’t C. needn’t