A. spaceman B. have to do with C. worthwhile D. scanty A. cookies B. lost and found box C. fissure D. chemistry A. servant B. a box of C. watercolour D. conduct A. gear B. spokeswoman C. locate D. scheme A. obstacle B. accountant C. gas D. stumble A. reproduce B. take a trip C. exceptionally D. baggage A. advice B. undulate C. halt D. twenty-one A. origin B. confusion C. wetland D. unique A. socks B. belt C. historian D. daughter A. primitive B. workmate C. website D. film-maker