A. tell jokes B. apart C. interest D. brightness A. train B. instrument C. counteract D. aftershock A. catastrophe B. database C. winter D. junior A. blood B. would rather C. ring up D. situation A. queue B. inform C. envelope D. told A. goose B. gravitational C. support D. quarter A. I'll B. schoolbag C. atom D. difference A. build B. desertification C. from now on D. assignment A. stair B. prime C. headlight D. Tour de France A. fire B. What a shame C. appreciate D. think highly of