[ Modals ]
Passengers ___ show their ID before boarding the plane.
A. must
B. may
C. might
D. should

Random Topics:
Grammar and AbsenceNoun, Adjective, and Adverb ClausesSimple and Progressive Verb TensesMay, MightAuxiliary ModalTypes of Sentence StructuresAdverbFuture Tenses and ModalsIdiomsModal Verbs of PermissionOther quiz:
Modal Verbs › ViewIdentify the modal verbs in the following sentence: You can try your best, and you should never give up.
A. can
B. should
C. might
D. could
Grammar › View
My mother often lets me ______________ after my younger brother.
A. take
B. give
C. hold
D. look
