[ Modals ]
All visitors ___ wear an ID card.
A. must
B. can
C. must be
D. does

Random Topics:
Vocabulary and UsageCommunicative GrammarNoun Phrases and Verb PhrasesModals - Have to or ShouldPast Simple vs Present SimplePresent Continuous for FutureAuxiliaries VerbSubject, Object, Possessive Pronoun and Possessive AdjectivesSimple Past TenseConjunctive AdverbOther quiz:
Grammar › ViewNancy is ____________ to the school.
A. studying
B. sleeping
C. walking
D. cooking
Grammar › View
Jane lives …………….. the hill in a small house.
A. over
B. through
C. down
D. up
