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I read an interesting book about ??? President Obama.
A. —
B. a
C. an
D. the
Select your answer:

Random Topics:
Interrogative Pronouns3rd Person SingularConditional Sentences with Modal VerbsAdjectives (-ed / -ing)Verbs with Prepositions and ConjunctionsAdverbial Concession ClausesNouns and VocabularyPrepositions and ArticlesRelative Clauses & Real ConditionalsPhrases and ClausesOther quiz:
Tenses › ViewWe use verbs in past participle with:
A. past simple
B. present perfect
C. future simple
D. past continuous
Vocabulary › View
The proper ___ of chemical waste products is expensive.
A. prevention
B. disposal
