[ 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:
Modal Verbs of Permission › ViewWhich type of situation might require the use of “may” instead of “can” to ask for permission?
A. Informal situations
B. Formal situations
C. Tentative situations
D. Hypothetical situations
Grammar › View
Choose the correct form of the underlined verb.
The man like his previous job.
A. like
B. liked
C. is liking
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
