1 These are the motives for doing it. A reasons B excuses C answers D replies 2 The river widens considerably as it begins to turn west. A extends B stretches C broadens D bends 3 Many economists have given in to the fatal lure of mathematics. A error B puzzle C attraction D contradiction 4 With immense relief I stopped running. A no B little C scarce D enormous 5 A great deal has been done to remedy the situation. A maintain B improve C preserve D protect 6 John is collaborating with Mary in writing an article. A cooperating B marrying C combining D arguing 7 He will consolidate his power. A strengthen B win C abandon D unite 8 Many scientists have been probing psychological problems. A solving B exploring C settling D handling 9 Hearing problems may be alleviated by changes in diet and exercise habits. A removed B cured C treated D lessened 10 The conclusion can be deduced from the premise. A gone B derived C done D come 11 The food is insufficient for three people. A scarce B short C marginal D inadequate 12 Most of the butterflies perish in the first frosts of autumn. A die B disappear C migrate D vanish 13 But ultimately he gave in. A undoubtedly B certainly C finally D necessarily 14 It is a complicated problem. A strange B complex C difficult D unusual 15 In Britain and many other countries appraisal is now a tool of management. A evaluation B production C efficiency D publicity