• Original sentence: We stayed in that hotel despite the noise.

• Meaning: We stayed in the hotel even though it was noisy.

• Options:

  • A. Incorrect grammar.
  • B. Doesn't convey the idea of staying despite the noise.
  • C. Correct: This option accurately expresses the meaning of the original sentence using "although."
  • D. Implies the noise was the reason for staying, which is incorrect.

• Original sentence: Young as he is, he has a big fortune.

• Meaning: Even though he is young, he has a lot of money.

• Options:

  • A. Correct: This option accurately expresses the meaning of the original sentence using "although."
  • B. Implies that being young is the reason for the fortune, which is incorrect.
  • C. Doesn't convey the contrasting idea of youth and wealth.
  • D. Incorrect structure and meaning.

• Original sentence: Despite the bad weather, people travel by air.

• Meaning: People travel by air even though the weather is bad.

• Options:

  • A. Correct: This option accurately expresses the meaning of the original sentence using "even though."
  • B. Implies the bad weather is the reason for air travel, which is incorrect.
  • C. Incorrect grammar and meaning.
  • D. Incorrect grammar.

• Original sentence: Although his leg was hurt, he managed to drive a car.

• Meaning: He managed to drive a car even though his leg was hurt.

• Options:

  • A. Correct: This option accurately expresses the meaning of the original sentence using "however."
  • B. Correct, but less formal than option A.
  • C. Doesn't convey the contrasting idea of the hurt leg and driving.

So, the correct answers are:

• 1. C
• 1. A
• 1. A
• 1. A or B (both are correct)