Select the most appropriate option to fill in the blank no. 3.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. is.
- A wall (which is singular) is being talked about in the given sentence; so a singular helping verb will be used with it.
- The given sentence is in the present tense as it tells us a fact.
- So, ‘is’ will be used in the given blank.