[ Grammar for TOEFL ]
Kepler’s Laws, principles outlining planetary movement, was formulated based on observations made without a telescope.
A. was
B. formulated
C. based
D. made

Random Topics:
Simple and Compound SentencesGerund & InfinitiveComparative Adjectives and AdverbsVocabulary and DefinitionsSubject and Verb AgreementSecond Type ConditionalModals and Past TensesPresent Perfect ContinuousClause Markers TOEFL GrammarNumbersOther quiz:
Grammar › ViewOur ___________ is very kind.
A. principal
B. principle
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This is _________ book.
A. Minh
B. Minhs
C. Minh’s
D. Minh’
Grammar › ViewA: What ______?
B: I’m a nurse.
A. are you doing
B. do you do
C. are you work
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Amanda had ……. that she would win in the Story Telling competition.
A. courage
B. beauty
C. confidence
D. excitement
