[ Grammar ]
She wasn’t watching when the crash ________.
A. occurs
B. occurred
C. has occurred

Random Topics:
Adverbs of TimeConnectivesTOEFL GrammarClauses and Conjunctionsso vs suchQuantifiers with NounsSimple present/ past/ future tenseIndependent and Dependent ClausesGerundsModal Verbs of Deduction and SpeculationOther quiz:
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A. will be able to
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She ____ her room every week.
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We have a concert ___ Saturday, do you want to come?
A. on
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