A. protective B. trip C. the Potala Palace D. undulate A. fall into B. firefighter C. inhabitant D. below A. tense B. king C. seal D. bucket A. northwestern B. strap C. shirt D. bamboo A. earmuff B. grand C. plenty of D. cyclist A. kilometer B. dare modal C. out D. dispute A. whatever B. composition C. men D. sign A. go skating B. dangerous C. loop D. in debt A. treasure B. so that C. get out D. judge A. inspire B. rarity C. over D. department