They ………………… be guilty, they have a solid alibi.
A. must
B. may
C. might
D. can’t

Random Topics:
Simple Present and Present Continuous TenseShould, Should not haveBecause / soSimple, Complex, Compound SentenceTenses and Figurative LanguageIrregular verbsModal Auxiliaries and Similar ExpressionsParallel Structure or Combining SentencesNoun and PronounQuantifiers, Countable and Uncountable NounsOther quiz:
Grammar › ViewWhen a fire burns red or green or blue, the color of its flames ______ the chemical composition of the combustible material.
Which choice completes the text so that it conforms to the conventions of Standard English?
A. indicate
B. indicates
C. have indicated
D. are indicating
Grammar and vocabulary › View
extremely bad
_______ film/mess/game, etc
A. tedious
B. lousy
C. atrocious
D. bedraggled
Modal Verbs › View—Whose textbook is it? Is it Jenny’s?
—No, it ____ be Jenny’s. Look, Helen’s name is on the cover. I think it ______ be Helen’s.
A. can’t; must
B. mustn’t; must
C. can’t; may
D. mustn’t; may
Future Tense › View
James has found another job so he ____ in his notice at the end of the week.
A. will hand
B. is going to hand
C. will be handing
D. is handing
