[ 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:
Passive Voice with Modals › ViewThe final decision ___ by the board of directors.
A. will be made
B. will make
C. will have made
Subject-Verb Agreement › View
Either Mary or her brothers __________ in the front seat of the car.
A. Rides
B. Ride
The 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
