We __________ drop litter on beaches. It pollutes them. ... | GrammarQuiz.Net

[ Modals ]

We __________ drop litter on beaches. It pollutes them.

A. mustn’t

B. can

C. should

D. must

Select your answer:

Random Topics:

Modals & Conditionals Language Features of an Opinion Article Grammar TOEFL Main Idea and Sentence Structure Modals, Phrasal Verbs, Gerunds and Infinitives Must Vs Have to Have to/Has to Grammar Clauses Prepositions of Time, Place, and Movement Adjectives & Quantifiers

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