[ Grammar ]
Which sentence uses the correct article?
A. A life cycle of a star has several stages.
B. An life cycle of a star has several stages.
C. The life cycle of a star has several stages.

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Simple Present Continuous TenseModal Verbs & Perfect InfinitivePresent Simple & Present Continuous TensesTravel VocabularySimple, Complex, Compound SentenceWH Questions and Simple Past TenseVerbal and Appositive PhrasesFuture TensesPresent Perfect and Past TensesComparison Degree & GerundsOther quiz:
Modals › ViewIt’s time we left for the disco.
A. We should leave for the disco now.
B. We may leave for the disco now.
C. We needn’t leave for the disco now.
D. We must have left for the disco now.
Grammar › View
Select the adjective that describes size.
A. big
B. black
C. sweet
D. ten
Present Perfect › ViewHave you been to Sweden? No, I ________.
A. hasn’t
B. haven’t
C. didn’t
Vocabulary › View
The ___________ raced through the streets, pulling a chariot behind it.
A. chaos
B. anxiety
C. sorrow
D. healing