A. technical B. workmate C. sit D. fear A. allergic B. dizzy C. joy D. give up A. call off B. ecosystem C. ticklish D. convince A. similar B. score C. drawing D. look after A. heat B. some day C. double D. take out the rubbish A. as long as B. record C. coordinate D. hippo A. still B. test C. tent D. lasting A. light B. lighthouse C. vicinity D. applaud A. go climbing B. cling C. reasonable D. straight A. stalactite B. project C. happily D. disappointed