[ Grammar ]
Simon ______ quietly on the sofa when David ______ and scared him.
A. read – was appearing
B. had read – appeared
C. read – appeared
D. was reading – appeared

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Gerund or to InfinitivePast Tense and Perfect TenseGrammar for IELTSWill & Be going toConditionals and Modal VerbsClause Markers TOEFL GrammarTypes of SentencesBecause of & Inspite ofVerb Tenses and Past ParticiplesModals in the Past - Speculation and DeductionOther quiz:
Idioms › ViewYou should take your brother ___ on his offer to help you do it.
a. up
b. in
c. at
Tenses › View
She probably ……. her keys while she was walking in the park.
A. has lost
B. lost
C. had lost
