Which choice completes the text so that it conforms to the conventions of Standard English?

The trees along the river ______ planted decades ago.

Answer and explanation

Correct answer: B. were

  1. Step 1: Identify the plural subject: trees (the prepositional phrase 'along the river' does not change the subject's number).
  2. Step 2: The time indicator 'decades ago' requires a past tense passive verb.
  3. Step 3: Pair the plural subject trees with the plural past verb were.
Answer
were.
Why not the others: Was is singular and causes a subject-verb agreement error.

Practise more Standard English conventions.

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