[ Grammar TOEFL ]
_____ her mistake, the stewardess immediately apologized to the passenger.
A. Realized
B. In realizing
C. Having Realized
D. Realizing

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Future Tenses and ModalsVerb Tenses and UsageAdverbs, Prefixes, and SuffixesModal PossibilitiesGerunds/InfinitivesPast Simple TensesPerfect TensesPassive Voice, Question Tag, PrepositionsSentence StructureModals AuxiliaryOther quiz:
Quantifiers › ViewShe is going to buy ___________ new shoes.
A. some
B. much
Modal Verbs › View
Choose the correct sentence:
A. Students must to wear the school uniform.
B. Students must need not wear school uniform.
C. Students must wears the school uniform.
D. Students must wear the school uniform.
Vocabulary › ViewThe trick was ____! I don’t know how the magician did it.
A. mind-blowing
B. performing
C. thriving
D. opportunity
Grammar › View
Identify the CORRECT one.
A. Are you writing your essay at the moment?
B. She does have her books with her today?
C. Do you studying for your exam now?
D. Do your bother plays in the basketball team?
