15. We will be more ______ and safer to wear bright-colored clothes when walking on the street at night.
(A) elderly
(B) gradual
(C) organic
(D) visible

11. When we travel abroad, it is necessary for the immigration officers to ______the departure date on our passports. (A) murder (B) regret (C) stamp (D) waste

12. According to medical research, most back pain can be relieved through exercise without ______ . (A) catalogue (B) district (C) surgery (D) triumph

13. On the first day of work, Oscar was told to treat all people in the workplace with ______ and respect. (A) barrier (B) courtesy (C) fiction (D) merchant

14. Ski resorts often use ______snow to keep them open through the winter and early spring to extend their ski seasons. (A) artificial (B) brutal (C) explosive (D) fierce

16. Andy: Professor Lee, could I have a word with you? Professor: Yes, of course. Andy, what’s on your mind?Andy: Would it be all right if I leave class early today? I have a dentist appointment. Professor: Andy, ______Thanks for telling me. (A) you do have a class. (B) that’s not a problem. (C) I’ll be right with you. (D) let me get this straight.

17. Claire: I’m experiencing a culture shock. Francis: Oh, really? I’m appreciating the dance steps native to the local culture. Claire: ______But I’m glad to see how passionate the dancers are in the music. Francis: Guess what? We’re invited to the next slow dance. (A) I’m afraid you have a culture shock. (B) We’re shocked to know our culture. (C) You just came back from a wedding party. (D) They’re different from those I'm familiar with.

18. Timothy: Jeremy is driving me to my job interview at the bank. Angela: In that outfit? ______ Timothy: What would you recommend me to wear then? Angela: If I were you, I’d wear a navy blue or gray suit with a white dress shirt and a tie. (A) Shouldn’t you change? (B) Come on. It’s too late! (C) Wish you get well soon! (D) Wouldn’t you like to know?

19. Staff: Good morning, sir. ______ Simon: My wife and I would like to walk along the beach collecting seashells and seaweeds. Staff: Certainly, sir. January is a lovely season on our tropical island. May I suggest a candlelit dinner by the seashore? Simon: Yes, please book a table for us at 7 p.m. (A) Would you care to join us for dinner? (B) Would you like to upgrade to a superior double? (C) How may I help you arrange today’s activities? (D) How would you like to make a room reservation?

20. Kevin: Hi, Laura. What’re you doing here? Laura: Uh...I’m usually here on weekends. It’s my dad’s shop. So, you’re looking for a bike? Kevin: Yeah. I’m thinking about getting some exercise instead of taking the bus all the time. Laura: Well, you came to the right place. ______ Kevin: I don’t want a racer bike or a touring bike. Mostly, I’ll just be using it to get me back and forth from work. (A) Did you drive a racing car? (B) Do you know what you’d like? (C) What would you suggest that I buy? (D) Where is the best place to buy a bike?

21. Jennifer: Let’s have brunch together tomorrow. Cathy: Sure. When would you like to meet? Jennifer: How about 10 o’clock in the morning? ______ Cathy: No, I think we can get a nice table near the windows by 11 a.m. (A) Would that be too early? (B) Would that be too long? (C) How would you like to go? (D) How do we reserve a table?