15. –Is there anything wrong, Bob? You look sad. –Oh, nothing much. In fact, I ____ of my friends back home. A. have just thought B. was just thinking C. would just think D. will just be thinking
14. –I’m sorry to have kept you waiting. –____, Bill. A. You’re welcome B. Go ahead C. Don’t mention it D. No problem
13. I have ____ all my papers but I still can’t find my notes. A. looked through B. looked for C. looked after D. looked out
12. At the beginning of class, the noise of desks ____ could be heard outside the classroom. A. opened and closed B. to be opened and closed C. being opened and closed D. to open and close
11. If Joe’s wife won’t go to the party, ____. A. he will either B. neither will he C. he neither will D. either he will
10. Speaking of all the songs he has written, I think this is probably his ____ one. A. better-known B. well-known C. best-known D. most-known
9. After two years’ research, we now have a ____ better understanding of the disease. A. very B. far C. fairly D. quite
8. ____ he had not hurt his leg, John would have won the race. A. If B. Since C. Though D. When
7. ____ felt funny watching myself on TV. A. One B. This C. It D. That
6. –We have booked a room for today and tomorrow. –____, sir. A. I’m sure B. My pleasure C. It’s all right D. I’ll check