A. possible B. date back C. credulous D. talk quietly A. shape B. studio C. grant D. workmate A. presumptuous B. probably C. suddenly D. flap A. regardless of B. astronaut C. prejudiced D. dismay A. heave B. best-seller C. sex D. environment A. virtue B. assessment C. food chain D. pollute A. space B. occurrence C. no problem D. compared with A. cab B. recluse C. believe D. lessen A. see B. space station C. excite D. have a rest A. body B. planet C. sent D. Nazi