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Adverb Clauses of TimeAsking for and Giving OpinionGrammar for TOEFLAdjectives, ING - EDWH- Question WordsVerb & GrammarJobsDefinite and Indefinite ArticleHave to/Has toExpressing Obligation and ModalsOther quiz:
Conjunctions › View_______her parents are away on a business trip, May Lee has to stay with her aunt.
A. Since
B. Although
Modal Verbs › View
George …….. to pay his electricity bill today.
A. must
B. has
C. mustn’t