[ Vocabulary and Grammar ]
The Thang Long Imperial Citadel was the __________ of political power for nearly seven centuries without interruption.
A. middle
B. point
C. system
D. centre

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Sentence Structure and Pronoun AntecedentArticles with SubstancesAuxiliary Verbs, if, unless and ModalSynonymModals for Advice, Obligation/Prohibition, Necessity and Lack of NecessityObject PronounPresent Simple vs Past SimpleCan vs be able toMay, MightRequest with Modal VerbsOther quiz:
Grammar › ViewThe series of lectures __________ informative.
A. is
B. are
C. was
D. were
Tenses › View
Convert the sentence to present tense: He cooked dinner for his family.
A. He cooks dinner for his family.
B. He cook dinner for his family.
C. He cooked dinner for their family.
D. He cooking dinner for his family.
Grammar › ViewDrive carefully. …………………. might be crossing the road.
A. Moose
B. Mooses
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Grammar › View
If you ____ Mary by chance, please give her my phone number.
A. met
B. meet
C. could meet
D. will meet