[ Modal Verbs ]
They ___ know the answer, but I’m not completely sure.
A. must
B. could
C. might
D. have

Random Topics:
Modal Auxiliaries and Similar ExpressionsPrepositions Of PlaceNoun Clauses with THATGrammar: Adjectives & PrepositionsCoordinating ConjunctionSimple TenseSimple TensesHave as verb and auxiliaryTenses and ArticleSimiles, Metaphors, Personification and HyperboleOther quiz:
Grammar › ViewA lot of time ______________________ spent travelling to school.
A. is
B. are
Mixed Tenses › View
You had better _____ up to reality and stop all your daydreaming.
A. face
B. faced
C. faces
D. facing
Grammar › ViewYou should ___________Japan in October.
A. visits
B. visiting
C. visit
Grammar › View
Identify the CORRECT one.
A. Are you writing your essay at the moment?
B. She does have her books with her today?
C. Do you studying for your exam now?
D. Do your bother plays in the basketball team?
