[ 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:
Grammar › ViewWhat change, if any, should be made to the following sentence?
The cats loves rolling around in the grass.
A. Change cats to Cat
B. Change loves to love
C. Insert a comma after cat
D. No change needed
Grammar › View
What is the correct spelling of snap + ing
A. snapped
B. snapeing
C. snaping
D. snapping
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?
