A. by means of B. steer C. thrive D. pill A. perception B. vehicle C. steamship D. puncture A. wheelbarrow B. go out C. stair D. die A. crater B. advertiser C. saliva D. youngster A. focus B. subtle C. thirty D. luxury A. wind B. crane C. leftover D. ventilate A. what about B. in some ways C. cornflakes D. plank A. mat B. darling C. play a part D. impressive A. believable B. tall C. sample D. blow up A. power line B. dock C. obesity D. devise