[ Grammar ]
_____ we don’t stop deforestation, a lot of species will lose their habitat.
A. Although
B. If
C. Which
D. Therefore

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TOEIC Grammar and Vocabulary ReviewFrequencyVerb PatternsApostrophe GrammarSubject and Verb AgreementAdverb or AdjectiveSecond Type ConditionalWill and Going toUnless If First ConditionalCompound Nouns and Compound Adjectives QuestionsOther quiz:
Conjunctions › ViewThe builders have not __________ started to lay the bricks.
A. yet
B. if
C. for
Grammar › View
Vocabulary: Choose two words that can follow each word:
A. keep alive, keep fit
B. take a belief, take alive
C. make messages, make money
D. post your way , post a refund
Grammar › ViewShe always does her homework __________.
A. correct
B. correctly
Grammar › View
Lucas is never rude. He’s _________.
A. silly
B. brave
C. polite
D. serious