Question

Difficulty: EasyModal Auxiliaries and Expressing Modality

Fill in the blank with the appropriate modal auxiliary verb that correctly expresses formal permission in the given context.

Answer:Candidates who have completed their biometric verification 【may】 enter the examination hall.

Answer

The modal auxiliary verb 'may' (or 'can') correctly completes the sentence to express permission.
The modal verb 'may' is standard in formal contexts to express that someone is allowed or permitted to take an action once requirements are met.

Step-by-Step Solution

1
Analyze the context and communicative function of the sentence.
The statement grants candidates authorization/permission to enter after fulfilling a prerequisite.
The clause 'who have completed their biometric verification' sets the condition under which entry is permitted.
2
Identify the modal verb that expresses granting permission.
'May' is the formal modal verb used to express or grant permission in English grammar.
In formal administrative directives and examination instructions, 'may' standardly signifies permission.

Key Concept

Modal Auxiliaries for Expressing Permission
Estimated Time:45s
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