The article “an” is used…
A. before using action words.
B. before a singular noun beginning with a vowel sound (a,e,i,o,u)
C. before any noun.
D. before a singular or plural noun, noun is known to the reader.

Random Topics:
Vocabulary and GrammarPresent and Past Simple TensePast Tense (Regular and Irregular)Simple Present and Present Continuous TensesNoun, Adjective, and Adverb ClausesPassive Voice, Question Tag, PrepositionsGrammar - could / could notCollective NounsPresent Continous TenseAcademic VocabularyOther quiz:
Direct and Indirect Speech › ViewMum said, “It is windy today.”
A. Mum said that it is windy today.
B. Mum said that it was windy today.
C. Mum said that it was windy that day.
D. Mum said that it is windy that day.
Verb › View
Mark and John had been thinking about enrolling in photography classes.
A. Past Tense
B. Present Tense
C. Future Tense
D. Past Perfect Tense
E. Present Perfect Tense
Quan ho Bac Ninh and don ca tai tu are two forms of _______, which are on the UNESCO World Heritage list.
A. musical instrument
B. landscape complex
C. folk singing
D. crowdfunding
Grammar › View
Which of the following sentences is an example of personification?
A. The waves kissed the shore gently.
B. The cat sat on the mat.
C. The sun is a star.
D. The car is red.
