Multiple choice

_________greyhound, can achieve speeds up to thrity - six miles per hour.

  1. The

  2. The fastest dog

  3. The fastest

  4. The fastest dog, the
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The sentence requires a subject and an appositive structure to introduce the noun 'greyhound' properly. Option D provides 'The fastest dog' as the main subject and 'the' to complete the appositive phrase 'the greyhound,' which is set off by commas. Other options fail to provide both a complete subject and the necessary article for the appositive.

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