[ Modal Verbs ]
She … what happened unless she was there.
A. couldn’t have known
B. couldn’t know
C. mightn’t have known
D. mightn’t know
Select your answer:

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Prepositional PhrasePresent/Past/Future Continuous TenseCity PlacesTOEICVocabullary TestConjunctions & PrepositionsGive, do and makePresent PerfectAdjective / Noun + to InfinitiveAdverbs and Adverbial PhrasesOther quiz:
Grammar › ViewI come from Canada. Where ______you come from?
A. are
B. do
C. is
D. not
Mixed Conditional › View
The mixed conditional: PAST – PRESENT, refers to an unreal, imaginary or hypothetical past condition and actions or situations that are probable result in the present.
A. FALSE
B. TRUE
C. NONE
