Multiple choice

Directions: Choose the most appropriate word and fill in the blank.

Their front door was open, ________ nobody was at home.

  1. as

  2. or

  3. but

  4. so

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

 'But' is used when one clause is on the contrary to the other one. So, option 3 is the correct answer.