[ Grammar ]
Inversion: _______ did Jonathan realize that there was a danger.
A. Upon entering the store
B. When he entered the store
C. After he has entered the store
D. Only after entering the store

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Interjection & Prepositional PhrasesTransitional Phrases and ConjunctionsSentence Types and ConjunctionsPresent Tenses and VocabularyGerunds and TensesComplex SentencesAdverb & Compound SentencesModals and Present TensesPassive with ModalsPassive Voice, Question Tag, PrepositionsOther quiz:
Vocabulary › ViewA Beautiful Boy is a book, where the author tells his son’s addiction to heroin and crystal meth.
Heroin means:
A. His son did was a hero
B. His soon was a hero while addicted to crystal meth.
C. His son was addicted to narcotics
D. None of the above
Past Tense › View
He _______ happy with the result of the test.
A. weren’t
B. wasn’t
C. isn’t be
D. not be
Grammar and Vocabulary › View“You’ve locked the door, __________ you?” Mrs Ng asked her son.
A. won’t
B. didn’t
C. hasn’t
D. haven;’t
Past Participle › View
visit
A. Visited
B. Visit
C. Visits
D. Visiting