Multiple choice

Directions: Fill in the blank.

The cost of new cars ________ dropping.

  1. is

  2. are

  3. will

  4. would
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The subject of this sentence is 'cost' (singular), not 'cars'. The prepositional phrase 'of new cars' just describes which cost we're discussing. Since 'cost' is singular, it takes the singular verb 'is'. 'Are' would incorrectly make 'cars' the subject.

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