A. cheeseburger B. building block C. seventy D. psychologist A. actress B. one hundred C. mankind D. eleven A. sum B. improve C. aid D. acid rain A. twenty B. iceberg C. go on a trip D. street A. rare B. ninety C. Chicago D. stagger A. forty B. primitive C. inevitably D. full of A. unfortunate B. earache C. homework D. celery A. millimeter B. in one's way C. nickname D. thirty A. wrong B. premise C. biscuit D. crust A. forty-six B. thanks to C. twin D. redesign