A. committee B. wife C. wheel D. remote A. obstruction B. Tree Planting Day C. within D. experiment A. deny B. tremor C. optimism D. dig A. first prize B. energe C. anxious D. no idea A. sand B. suburban C. delighted D. finely A. doormat B. less and less C. mummy D. downstairs A. sense B. entry C. after-class D. comprehensive A. convey B. No entry C. foul D. ashamed A. X-ray B. mind C. dialect D. put in order A. missing B. formal C. outdoors D. get along