A. vinegar B. recognize C. register D. compare with A. order B. no good C. explosion D. air-conditioned A. person B. moor C. spaceship D. sand A. exhibition B. retrace C. stuffy D. realise A. orbit B. main unit C. upstairs D. sit-up A. be crazy about B. go away C. delicacy D. experiment A. missing B. invader C. across the road D. astonished A. good B. control C. torrent D. cookbook A. violence B. rule C. law D. length A. of all ages B. put up C. care for D. ton