[ Grammar ]
If eco means environment, what is the definition of ecology?
A. the study of an echo
B. writing about an echo
C. writing about the environment
D. the study of the environment
Select your answer:

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Prepositions and Phrasal VerbsGrammar - Collective NounsPronouns, Sentence Structure, and ApostrophesActive vs. Passive VoiceSubordinating Conjunctions and ClausesDirect Object and Indirect ObjectModal Verb Gerund or To InfinitiveIdentifying Sentence TypesModals and TensesUnreal Uses of Past TensesOther quiz:
Active Voice-Present tense › ViewHe is ……………………. from a heart disease.
A. suffer
B. suffers
C. suffering
D. does suffer
Grammar › View
Why are you going there?
A. I’m going to the pet store.
B. I have to wash my dog today.
C. I have to send a letter tomorrow.
D. I’m going to Tennessee to visit my friend.
