A. ventilation B. may C. beat D. insect A. verb B. leap C. tape D. sell A. serve B. across C. frost D. dread A. continuously B. colour-blind C. news D. modest A. moonlight B. homeless C. factory D. stuntman A. elder B. warm C. just a moment D. match A. nationwide B. either or C. closed D. hallway A. cycle B. personnel C. stream D. solve A. popsicle B. database C. roast D. theoretical A. make fun of B. carefully C. doughnut D. useful