Choose the correct word: 
The CEO’s decision had a major ______ on the company’s future.
(a) Affect 
(b) Effect

(b) Effect

Riddle: I am a word that means to leave one’s country to settle elsewhere. I sound like "migrate" but start with "E." What am I?

Emigrate

Fill in the blank with the correct word:
The two countries signed a peace ______ to end the war. (treaty/treatment)

The two countries signed a peace treaty to end the war.

Find the mistake in the sentence:
She lose her keys every time she goes out.

Correction: She loses her keys every time she goes out.

Choose the correct sentence:
(a) His decision was based on false assumptions.
(b) His decision was based on false presumptions.

(a) His decision was based on false assumptions.

Riddle: I am a word that means to formally cancel or abolish something. I sound like "abolish" but start with "R." What am I?

 Repeal

Rearrange the words to form a meaningful sentence:

decision / moment / was / an / of / his / impulse

His decision was a moment of impulse.

True or False: "Principle" and "Principal" mean the same thing.

False. "Principle" is a moral belief, while "Principal" refers to the head of an institution or something of highest importance.

Find the mistake in the sentence:
The lawyer gave him a sound piece of mind.

Correction: The lawyer gave him a sound peace of mind.

Choose the correct word:

She is very ______ about the latest fashion trends.

(a) Conscious

(b) Conscientious

Conscious

Fill in the blank with the correct word:
The scientist made a ______ discovery that changed history. (historic/historical)

The scientist made a historic discovery that changed history.

Riddle: I am a word that means to think deeply about something, and I start with "C." What am I?

Contemplate

Find the mistake in the sentence:
The meeting was postponed to a later date.

Correction: The meeting was postponed. (Saying "later date" is redundant.)

Choose the correct sentence:
(a) He was given a compliment on his artwork.
(b) He was given a complement on his artwork.

(a) He was given a compliment on his artwork.

Riddle: I am a word that means able to be understood in more than one way, and I start with "A." What am I?

Ambiguous