[ Grammar ]
……….it rained, we were swimming in the pool.
A. When
B. While

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Vocabulary and DefinitionsProgressive TenseCompound and Complex SentencesSimple Past Irregular & NegativeTenses - Irregular VerbsSimple Present Tense with Adverb of FrequencyPrepositions after Verbs and AdjectiveQuantifiers with NounsPronoun-Verb AgreementEd and Ing EndingsOther quiz:
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General Knowledge › View
Mineral that enables blood to carry oxygen.
A. Calcium
B. Potassium
C. Iron
D. Magnesium