[ Vocabulary ]
a symbiotic relationship between members of two species in which both benefit
A. commenalism
B. parasitism
C. symbiosis
D. mutualism

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Present Progressive (Future)ComparisonModals and Adjectives (ed-ing)Past PassivePronoun & Present SimpleComparatives and ConjunctionsSimple Past Tense and Past Perfect TenseAcademic VocabularyPrepositions after VerbsModals and Present TensesOther quiz:
Future Perfect Tense › ViewWhat is the correct form of future perfect tense for the verb ‘to speak’?
A. will have speak
B. will have spoke
C. will have spoken
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Articles › View
Do you want to go to ______ restaurant where we first met?
A. a
B. an
C. the
D. x
Grammar › ViewComplete. Use the correct form of used to and the verb in brackets.
…………………………………………. your dad ………………………………………. (work) at the sports shop?
A. Does your dad used to work
B. Did your dad use to work
C. Is your Dad used to work
D. Did your Dad used to work
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we use ___ the second time we mention a person / thing.
A. a/an
B. the
