[ Grammar ]
I went to Washington ____ Christmas.
A. on
B. in
C. at
D. a sandwich

Random Topics:
Adverb Clause ConnectorContinuous and Perfect TensesNoun PhraseInversion + Passive VoiceUse of Prepositions or ConjunctionsClause Markers TOEFL GrammarGrammar : Must (Necessity)Verb + PrepositionAdjective or AdverbModal and Relative PhrasesOther quiz:
Vocabulary › ViewMark believes he can do everything so he is
A. clever
B. serious
C. confident
Modal Probability › View
Choose the correct modal to complete the sentence: “They ______ have left already, but I’m not sure.”
A. must
B. might
C. can’t
D. should
Possessive Nouns with Apostrophes and Pronouns › ViewWhich of the following uses a possessive noun correctly?
A. The comet’s tail is visible.
B. The comets tail is visible.
C. The comets’ tail is visible.
D. The comet tail is visible.
Comparisons › View
Sam is ………………..( good) student in my class
A. more good
B. gooder
C. the best
