Multiple choice

Directions: Fill in the blank with the appropriate form of the verb.

Candidates ________ not write their names on the answer-sheets.

  1. should

  2. must

  3. ought

  4. need

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

 This is an imperative sentence (instructiuon). But here the candidates are being told not to write. So the modal used has to be 'must not'. 'Need not' would mean as if they could write if they wanted.