[ 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

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Present Perfect and Present Perfect Progressive TensesGrammar - must & have toModals, Phrasal Verbs, Gerunds and InfinitivesSimple Past Tense & Future TenseFirst & Second ConditionalConditionals and Modal VerbsComparative AdjectivePast SimpleFuture - Will and Be going toAdverb of MannerOther quiz:
Relative Clauses › ViewCycling is one of the sports_______Jose Antonio likes to practice.
A. Who
B. Whose
C. That
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What is the synonym for bastion
A. defense
B. stronghold
C. irritable
D. largesse
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A. a
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Comparatives and Past Perfect Tense › View
I was sure that I ___________ her before.
A. had saw
B. seen
C. had seen
