[ Modal Verbs ]
They ………. wear uniforms at work.
A. have to
B. can
C. may
D. should

Random Topics:
The First Conditional SentenceGrammar and PrepositionsCountable Vs Uncountable NounsClauses and ConjunctionsGerund & InfinitiveAdverb ClauseGerund NounPast Tense and Past ContinuousFirst ConditionalsPresent Simple ProgressiveOther quiz:
Conditional Sentences › ViewHe says if he _____ that the traffic lights were red he _____.
A. had realized / would have stopped
B. had realized / would stop
C. realized / could have stopped
D. has realized / stopped
Vocabulary › View
Which word is a Synonym for: Solemn
A. Happy
B. Serious
C. Playful
D. Silly
Grammar › ViewParents want their children_____________?
A. to be happy
B. be happy
C. happy
D. being happy
Vocabulary & Grammar › View
A millennium is_________ a century.
A. shorter than
B. longer than
C. as long as
D. as short as
