Fill in the blank with the correct Modal verb out of the options given below:

Visitors ______ come one hour before the commencement of the show.

should

The correct answer is Option (4) → should

• The sentence "Visitors ______ come one hour before the commencement of the show." suggests a recommendation or advice for visitors.
• "Should" is used to indicate advice, suggestion, or an expected obligation, which fits perfectly here.

OTHER OPTIONS

 "Would" – Generally used for hypothetical situations or polite requests, which is not the case here.
  "Might" – Indicates possibility but does not express a recommendation.
  "Could" – Expresses ability or permission but does not imply a recommendation.

"Visitors should come one hour before the commencement of the show."