[ 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:

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Grammar for IELTSTenses & AffixesPassive Voice with Modal VerbsVerbs, Tenses, and VocabularyQuantifies and Modals of DeductionSimple Past TensesPrepositions of Location, Movement and TimeRelative ClauseGrammar - Collective NounsFuture Time and TensesOther quiz:
Grammar › ViewHave you ever ………a letter to the local authorities to complain about the public transport in your town?
A. wrote
B. writing
C. written
D. write
Grammar & Vocabulary › View
I’ve recently bought a ______ bag.
A. beautiful, Moschino, light blue
B. light blue, Moschino, beautiful
C. beautiful, light blue, Moschino
