A. be worth doing B. would C. Pacific Ocean D. square A. puppy B. sights C. Houston Rockets D. northwestern A. basement B. morality C. study D. thirsty A. clash B. hardly C. see the doctor D. hostel A. somebody B. tons of C. preference D. fortnight A. shape B. metal C. well D. worth A. shrug B. first C. at the top of D. silk worm A. rhyme B. usage C. rate D. freshwater A. regret B. era C. wake up D. aircraft A. Shanghai Museum B. kilometre C. vicar D. collect stamps