[ Grammar ]
Common knowledge to anyone who studies science, the earth ____ on its own axis once every 24 hours.
A. revolves
B. revolve

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Definite and Zero ArticleArticles and QuantifiersTenses and Time MarkersLet & Be allowed toIrregular AdjectivesAspect or tenses of VerbsSimple PresentDemonstrative SpeechPhrase vs ClauseFuture Tense and ConditionalsOther quiz:
Grammar › ViewIf plastic items are exposed ____________ sunlight for a long time, the color on them will fade.
A. in
B. to
C. with
D. under
Adverbial Clauses › View
John _____________a book when I saw him.
A. is reading
B. read
C. was reading
D. reading
Grammar › ViewIf your car is not fixed by the weekend, you can borrow …….…. to pick up your mother.
A. mine
B. any
C. other
D. some
Pronounciation and Grammar › View
In many schools in Vietnam, students have to wear a ………………. .
A. clothing
B. uniform
C. suit
D. coat
