[ Subordinating Conjunctions ]
The officer notified us that _____ we clean our surroundings, mosquitoes will continue to multiply.
A. if
B. unless
C. than

Random Topics:
Simple Verb TensesPresent, Past, and Future TimeFuture Tenses, Conditionals and ProfessionsSimple and Past TensesLinkers and ConjunctionsComparatives, Superlatives & EquativesSimple Present TensePrepositions and TensesFirst Conditional, Future Time ClausesGerunds, Infinitives and Modals of PossibilityOther quiz:
Past Tense › ViewThe chef ____ (plan) a themed Asian cuisine night, but the restaurant owner wouldn´t let him go ahead with it.
A. planned
B. was planning
C. had planned
D. had been planning
Verb Tenses › View
Identify the verb tense: Are students writing right now?
A. Simple present
B. Present continuous
C. Past simple
D. Simple future
Grammar › ViewThere has been no _________ from my cat today. She must be sick.
A. movements
B. moving
C. moves
D. movement
Grammar and Vocabulary › View
I’m afraid of …..
A. height
B. heights
C. highs
D. highness
