A. voluntary B. interplanetary C. habitat D. wonderland A. drink water B. at the speed of C. in peace D. boil A. completely B. creature C. the British Museum D. percentage A. aware B. run after C. welcome D. suitcase A. pour B. crowded C. characteristic D. sometime A. secretary B. specially C. inch D. phenomena A. join in B. programme C. necklace D. passenger A. review B. gravity C. grapple D. scientific A. circle B. shun C. deadly D. lorry A. brief B. sightseeing C. in the form of D. refrigerator