[ Past and Past Continuous ]
I was reading a book _______ I heard a voice
A. while
B. when
C. and

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Sentence Structure and Grammar RulesSubordination ConjunctionsRelative Clauses and UsageTime PhrasesUnreal ConditionalsModals, Phrasal Verbs, Gerunds and InfinitivesAdjective & AdverbGrammar and IdiomsPresent and Past TensesConditional Sentences Type 1Other quiz:
Verb Tenses › ViewHe __________ his wallet in the car this morning.
A. left
B. leaves
C. leave
D. leaving
Distinguishing Future Tenses › View
There’s … water in the cup
A. a little
B. a few