[ Vocabulary ]
the action of mentioning or alluding to something.
A. reference
B. ensure
C. arising
D. disrupt

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Modals in the PastMixed GrammarPresent Perfect Simple & ContinuousAdjective & AdverbTenses, Tag Questions, Phrasal VerbsConnectivesState Verbs and Action VerbsPresent TensesTenses (Present, Past, Future Forms)Adverb & Compound SentencesOther quiz:
Grammar › ViewThe boy wears glasses.
He is our customer in this barbershop.
A. The boy who wears glasses is our customer in this barbershop.
B. The boy who wears glasses are our customer in this barbershop.
Question Tag › View
The students in Class 809 __ a good time, didn’t they?
A. are having
B. have
C. have had
D. had
