[ Grammar ]
When his parents ___________ home in the evening, Sam ___________ up.
A. came, cleaned
B. were coming, cleaned
C. were coming, was cleaning up
D. came, was cleaning

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Adverbs, Infinitives, Definite ArticleFrequencyIntermediate GrammarGrammar and Sentence StructureReported SpeechModal Verb Gerund or To InfinitivePast Simple, Past Continuous, Past PerfectPassive SentencePresent, Past and Future TensePresent Simple ProgressiveOther quiz:
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We swam through a school of tiny fish.
A. We
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The young are clever and show a clear understanding. The Internet is generally considered to be the world that belongs to ______.
A. they
B. them
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It’s raining, _____ we should take our umbrellas.
A. so
B. because
