A. harm B. gradual C. cargo D. delighted A. collision B. U-turn C. code D. backstage A. put down B. emerge C. indeed D. aboard A. taikonaut B. arm in arm C. liner D. mirth A. mumps B. Thank goodness C. fan D. courtyard A. gymnasium B. measurement C. flight D. affluent A. our B. vapour C. navigator D. limit A. angel B. politics C. strongly D. throw light on A. economy B. last night C. sauerkraut D. break away A. tussle B. closed C. welcome D. lend