Multiple choice

Directions: Fill in the blank with the appropriate form of the verb.

Last year they ________ a wall around their plot.

  1. build

  2. built

  3. had built

  4. has built

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The adverb “last year” modifies the pronoun “they”. It is a simple adverb of time which relates to the past tense of the infinitive category and so the use of the second form is correct. Hence, (2) is the correct answer.