[ Modal Verbs ]
Tom _____ be at the gym; I saw his car in the parking lot.
A. can
B. may
C. must
D. should

Random Topics:
Past Simple and Past ContinuousGrammar Past and Future TensePrepositions of Time & PlaceCompound Words and SentencesRoot WordPronouns and AdverbsGrammar and Sentence StructureGerundPlaces in TownQuantifiers & Modals of ObligationOther quiz:
Grammar › ViewHow ….. cows are there in the field?
A. many
B. much
C. long
D. often
Grammar › View
Sam always ______ to music before(在……之前)he went to bed, but he doesn’t now. Instead(取而代之), he ______ computer games.
A. listens; plays
B. listened; plays
C. listened; played
D. listens; played
Grammar › ViewWhich is correct
A. sogar
B. suagar
C. suger
D. sugar
Grammar › View
He doesn’t _____ here often.
A. come
B. comes
C. came
