[ Grammar TOEFL ]
Jupiters four moons _______ through a telescope by Galileo.
A. were first viewed
B. first viewed
C. had been first viewed
D. were being first viewed

Random Topics:
ModalFunctional Sentence TypesAction VerbNoun, Adjective, and Adverb ClausesPronouns/ Present TensePresent / Future / Present Progressive / non Action VerbsPast ContinuousPoetry VocabularyModals and ConditionalsGrammar and SyntaxOther quiz:
Grammar › ViewThere are a blind man and a dog ____ are walking across the street.
A. who
B. which
C. that
D. what
Adverb & Compound Sentences › View
__________ your parents retire, they will want to travel more, __________ they need to plan their retirement carefully.
A. If, and
B. Until, for
C. After, so
D. After, or
Indefinite Pronouns › ViewThis room is completely empty. ………… is left.
A. Nothing
B. Anything
C. Something
Tenses › View
Rino …… here since September.
A. Was
B. Have been
C. Has been
D. Had been
