Multiple choice

Directions: Select the correct option to fill in the blank in the sentence.

These masons ______________ this house last month.

  1. are building

  2. build

  3. built

  4. will be building

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

Usage of 'last month' shows that this is a case of Simple Past Tense, where we use the second form of the verb.