[ Vocabulary ]
to formally approve
A. ratify
B. republicanism
C. checks and balances
D. limited government

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Present Perfect: for/sinceSentences and Non SentencesGrammar and AbsenceFirst and Second ConditionalGrammar ElementaryGerunds & Infinitives + VocabularyVocabulary and TensesGrammar: AgreementGrammarInfinitivesOther quiz:
Quantifiers with Nouns › View______ of the two movies is worth watching.
A. Both
B. Many
C. Each
Grammar › View
Neither of the pictures in the exhibition ____ for me, so I left the gallery.
A. appeal
B. were appealing
C. was appealing
D. are appealing
Comparisons › ViewOzone depletion has been_________at the poles, especially over Antarctica, where a seasonal ozone layer “hole” appears.
A. as much severe as
B. so many severe as
C. far more severe than
D. by far the most severe
Grammar › View
She spoke too softly. I couldn’t ______________ her.
A. is hearing
B. hear
C. heard
D. are hearing
