Final answer:
The sentence 'George talks as if he were already hired for the job.' is already in the indicative mood. To change the sentence 'Jenna thinks history is the most interesting subject in the school curriculum.' into interrogative mood, you can rewrite it as 'Is history the most interesting subject in the school curriculum, according to Jenna?'
Step-by-step explanation:
The sentence 'George talks as if he were already hired for the job.' is already in the indicative mood. The indicative mood is used to state a fact or opinion. In this sentence, it states that George talks as if he were already hired for the job, which is a statement of fact.
To change the sentence 'Jenna thinks history is the most interesting subject in the school curriculum.' into interrogative mood, you can rewrite it as: 'Is history the most interesting subject in the school curriculum, according to Jenna?' In the interrogative mood, the sentence asks a question.