[ 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:
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
Articles and Quantifiers › View
we use ___ the second time we mention a person / thing.
A. a/an
B. the