A. mathematics B. scour C. clavichord D. latitude A. right away B. battlefield C. futile D. creep A. absorbing B. authentic C. insoluble D. our A. nuclear B. puppet C. gum D. collision A. wasp B. correction C. show around D. sustenance A. cheerful B. lead to C. psychologist D. turn A. frighten B. wore C. psychiatrist D. appetite A. boredom B. backwater C. shyness D. clerk A. confess B. registration C. insinuate D. tree A. ventilation B. Terra Cotta Warrior C. reception D. recuperation