The officer notified us that _____ we clean our surroundings, ...

[ Subordinating Conjunctions ]

The officer notified us that _____ we clean our surroundings, mosquitoes will continue to multiply.

A. if

B. unless

C. than

Select your answer:
A B C D E

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Simple Verb Tenses Present, Past, and Future Time Future Tenses, Conditionals and Professions Simple and Past Tenses Linkers and Conjunctions Comparatives, Superlatives & Equatives Simple Present Tense Prepositions and Tenses First Conditional, Future Time Clauses Gerunds, Infinitives and Modals of Possibility

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