15. There are many shops near here, so the streets are very busy and             during the day.
      A. quiet                       B. noise                       C. narrow                          D. noisy
16. It is                     to live far from the market and the supermarket.
      A. easy                        B. inconvenient           C. convenient                    D. comfortable
17. We won't cut anything, so these ________ are not necessary.
      A. walking boots         B. scissors                   C. travel items                   D. plasters
18. Bring some ________ in case you have a headache or so.
      A. backpack                B. map                         C. compass                  D. painkillers
19. A ________ helps you see things at night.
      A. sleeping bag           B. sun cream               C. torch                       D. sun hat
20. Bring your ________ so that you can call me when you get there.
      A. waterproof coat      B. tent                         C. mobile phone          D. compass
21. I don't know where to go now. Pass me the ________, please.