Multiple choice

Directions: Mark the most suitable option to fill in the blank to make a logical sentence.

Look, the boys __________ (work) to finish the job by this evening.

  1. are hard working

  2. had been working hard

  3. are working hard

  4. work hard

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

Case of present continuous tense. In such cases, we use helping verb (is/am/are) +verb+ing.