The herculean task before the nation is combating insecurity.

Here are the answers to the questions:

6. The sentence is "His first attempt at creative writing was a _."

   • The word fiasco means a complete failure, especially a ludicrous or humiliating one. This fits the context of a failed attempt at writing.
   • The correct option is C.

7. The sentence is "Mrs. Adamu's _ helped the company to gain international recognition."

   • Perseverance means persistence in doing something despite difficulty or delay in achieving success. This quality would help a company gain recognition over time.
   • The correct option is C.

8. The sentence is "The player embraced his _ at the end of the match."

   • Fans are enthusiastic admirers, especially of a sports team or celebrity. A player would typically embrace their fans after a match.
   • The correct option is C.

9. The sentence is "The goalkeeper was _ for wasting time."

   • Penalised means subjected to a penalty or punishment. Punished is a direct synonym that fits the context of a rule violation in sports.
   • The correct option is B.

10. The sentence is "The herculean task before the nation is combating insecurity."

    • Herculean means requiring great strength or effort. Arduous means involving or requiring strenuous effort; difficult and tiring, which is a strong synonym for herculean.
    • The correct option is D.

11. The sentence is "We had our _ in the evening after the meeting."

    • Dinner is the main meal of the day, typically eaten in the evening.
    • The correct option is C.

12. The sentence is "The insurance company has reviewed its monthly _ upward."

    • An insurance premium is the amount of money an individual or business must pay for an insurance policy. This is what an insurance company would review upward.
    • The correct option is A.

13. The sentence is "The author's first book was _ when he was a teenager."

    • A book is published when it is prepared and issued for public sale, distribution, or readership.
    • The correct option is D.

14. The sentence is "The masses _ against the hike in prices of petroleum products."

    • To protest means to express an objection to what someone has said or done. This is a common action taken by the masses against price hikes.
    • The correct option is D.

15. The sentence is "Could you give me a _ of my tea, please?"

    • A cup is a common container for drinking tea.
    • The correct option is B.