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 premises.
A gone B derived
C done D come
6. A 7. A 8. B 9. D 10.B