[ Grammar ]
If you heat water to 100 degrees, it……..
A. boils
B. boil
C. boiled
D. has boiled

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TOEFL GrammarPast Simple or Past ContinuousComparatives ( adj/ adv)Grammar: Have toComparisionRelative Clauses PronounsAdjectives Ed and IngAdverb Of PlaceTenses and ArticlesPossessive Adjective and PronounOther quiz:
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While walking to school this morning, James ___________ shocked to witness a traffic accident.
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