[ Grammar ]
When I went to _____ San Diego Zoo, I saw _____ elephant sleeping!
A. the, the
B. the, an
C. an, a
D. a, a

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To Infinitive/Bare Infinitive/GerundsGerundInfinitive or GerundPassive SentenceInfinitives for reasonsPassive Voice - Present Simple and Past SimplePhrase and ClauseVocabulary Spelling GrammarAsking for and Giving OpinionComparative and Superlative AdjectiveOther quiz:
Past Tenses › ViewLast year Juan ________________________________ (pass) all his exams.
A. had passed
B. passed
Prepositions › View
It has been raining _____ summer was over.
A. For
B. Until
C. Since
Question for: It’s on 3rd of April.
A. What’s you best friend’s name?
B. When’s your birthday?
C. What can you do?
D. Do you like playing basketball?
Grammar › View
Viet Nam always desires to work with its partners on the basis of the _______.
A. participant
B. friend
C. audience
D. principle
