Question

On no account _______ call him at home.

Answer 1

On no account of she called him at home.

Answer 2

Answer:

On no account make call him at home.

Explanation:

• On no account means under no circumstances, and it normally introduces a sentence where the speaker says that something will or should never happen for any reason. Because it’s a negative expression and it normally begins a sentence, the following subject and verb (usually an auxiliary verb) are inverted.
• If you say that something should on no account be done, you are emphasizing that it should not be done under any circumstances.

On no account should the mixture boil.

  On no account should the house be left unlocked.

On no account should you leave the door unlocked.

On no account must you disturb me when I'm working.