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