I think the answer would be: John said that mathematics is his favorite subject.
The subject John agrees with the verb is. In this case said can go with the word is. After reading this sentence it seems as if he is currently taking the course and that is why the present tense is, is being used.
Hopefully this helped and good luck.
Extra:
The sentence dealing with Susan: Susan said that measles are the worst disease that she's ever had. said and are I don't think agree with each other. If the sentence went like: Susan said that measles were the worst disease that she'd ever had. I put the verbs in past tense, making the verbs agree with the word said, which is past tense of say. Also one can assume that she has had the measles and but currently doesn't.
If you reword the Civics sentence to: Civics classes are the hardest subjects I'm taking this year. When reading this reworded sentence everything makes more sense than the original.
The sun reflected off of the tall buildings, off of the blue ocean, making it shimmer as the waves bounced lazily off of the sand. Dozens of alarm clocks went off, waking people, informing them that work was soon, and traffic slowly picked up, Starbucks flipped to <em>open, </em>and the occasional honk went off in downtown Miami. Early rising high schoolers hit the beach, running or getting morning surfing in. Walkers walking up and down the streets, tired, but ready to begin a long day.
It would be B. Like a girl.
I must complete is the adverb phrase
1. I think would be ID
2.D
3.ID
Explanation:
I completely guessed so sorry if it's wrong that's what I would think it would be