[ Grammar for TOEFL ]
Among bees _____ a highly elaborate form of communication.
A. occur
B. occurs
C. it occurs
D. they occur

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Neither/Either/All/NoneTypes of Simple SentencesIf- ConditionalDirect and Indirect QuestionAdverb of MannerModals TensesContinuous TensesGrammar and IdiomsGrammar, Literature, and VocabularyWh- Questions Present Simple TenseOther quiz:
Homophones › ViewMegan’s ______ in her sandwich had gone all moldy in her lunchbox.
A. Bred
B. Breed
C. Beard
D. Bread
Grammar › View
The mouse _________ to music in the garden now.
A. are listening
B. listen
C. listens
D. is listening
