You ... switch your mobile phone on the plane. ... | GrammarQuiz.net

Topics: Must / must not

You … switch your mobile phone on the plane.

A. must

B. mustn’t

Select your answer:

Random Topics:

Types of Phrases Adjectives with -ED and -ING Nouns and Quantifiers Noun Phrases Modals, Conditionals, and Clauses- Defining, Non-defining Mixed Conditionals Vocabulary and Modals Modals "Should"Present Tense Gerunds & Infinitives + Vocabulary

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