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WH- Question WordsWish SentenceIf ConditionalsSimple TensesPersonal & Possessive PronounsGrammar - Present Perfect with already, just, yetNouns and QuantifiersGrammar: Adjectives & PrepositionsContractions and ConjunctionsModals of AdvisabilityOther quiz:
Grammar › ViewMy friend is _____ taking an exam.
A. right now
B. currently
C. at the moment
D. yesterday
Grammar Clauses › View
Factories allow these dangerous substances to pour into the rivers, ___ their chimneys fill the atmosphere with poisonous fumes.
A. while
B. where
C. although
D. so that