[ Grammar ]
When the robbery______, the safeguard______.
A. happened / slept
B. was happening / was sleeping
C. was happening / slept
D. happened / was sleeping

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Present simple or Past simpleSimple Present and Present ContinuosPresent Continuous, Present Perfect and Used toObject PronounsPast Perfect SimpleSimiles and Body IdiomsModals, Phrasal Verbs, Gerunds and InfinitivesIntensifiers: Really vs VeryGrammar : Structural Common ErrorsPresent Continuous TenseOther quiz:
Subject Verb Agreement › ViewSixty or seventy freights ________ on the transcontinental line each year.
A. uses
B. travel
C. travels
D. be
Modal Verbs › View
Try to relax before the exam. You … panic.
A. ought to
B. must
C. mustn’t
D. should
Articles › ViewLast week I read ___amazing book.
A. a
B. an
C. the
D. –
Possessive Adjectives › View
Debbie has got a cat. _________ cat is very lively.
A. my
B. her
C. its
D. it’s