The first aircraft were small, noisy __ very uncomfortable.

The first aircraft were small, noisy __ very uncomfortable.

• A. and
• B. but
• C. or
• D. so

Answer: (A)

This tests how to connect items in a list using a coordinating conjunction. When you describe something with several features, you join them with and to show addition: small, noisy and very uncomfortable describes three qualities of the aircraft. The word that fits here is and because it signals that the final trait is simply another part of the list, not a contrast, alternative, or consequence. Using but would imply a contrast (these are small and noisy, but not very uncomfortable), or change the nuance. Or would present an option or alternative rather than a cumulative description, and so wouldn’t match the meaning. So and is the natural choice to add the final descriptor and keep the sentence a straightforward list of features.

This tests how to connect items in a list using a coordinating conjunction. When you describe something with several features, you join them with and to show addition: small, noisy and very uncomfortable describes three qualities of the aircraft. The word that fits here is and because it signals that the final trait is simply another part of the list, not a contrast, alternative, or consequence.

Using but would imply a contrast (these are small and noisy, but not very uncomfortable), or change the nuance. Or would present an option or alternative rather than a cumulative description, and so wouldn’t match the meaning. So and is the natural choice to add the final descriptor and keep the sentence a straightforward list of features.