Topics: Correlative Conjunction
The study aims to investigate ________ the genetic factors ________ the environmental influences.
A. either-or
B. not only-but
C. both-and
D. neither-for
Select your answer:

Random Topics:
TOEIC GrammarVerb PhraseVocabullary TestConditional Sentences Type 1Subject Verb Agreement and Coordinating ConjunctionsGerund, Infinitive & ModalsConditional and SubjunctiveMust / must notTransition WordsGrammar and StructureOther quiz:
Irregular Verb › ViewThink (Past tense)
A. Thought
B. Taught
C. Thank
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I have two legs. I lay eggs. I live on the farm. Who am I?
A. Chicken
B. Goat
C. Lizard
D. Snake
