[ Modals ]
You ……. wear a uniform when you’re in the army
A. must
B. should
C. can

Random Topics:
Narrative TensesDescriptionsAdverbial ClauseTenses and PronounsDEGREE COMPARISONVerb + Infinitive or GerundPrepositions and AdverbsPhrasal Verb & Prepositional PhraseGrammar AssessmentGrammar - too & enoughOther quiz:
Grammar › ViewDon’t panic! The concert hasn’t started …!
A. yet
B. already
Noun Verb Agreement › View
Both his mother and his father _ that he doesn’t like spinach.
A. knows
B. know
Precede vs. Proceed › View… the letter with a cover sheet.
(a) Precede
(b) Proceed
When vs. While › View
… I asked his name, he hung up.
a. when
b. while