[ must/should ]
You … your keys. We don’t have another set.
A. must lose
B. mustn’t lose
C. shouldn’t lose

Random Topics:
Can vs be able toAdjectives vs AdverbsPresent Simple and Present Continuous TenseTransitive or Intransitive VerbsAdjective ClausesSubordinating and Coordinating ConjunctionsGrammar: Defining Relative ClausesPast Simple Negative & QuestionsActive & Passive VoicePronunciation and VocabularyOther quiz:
Grammar › ViewMy neighbors _______ trap music every night. It drives me mad!
A. used to play
B. would play
C. are always playing
First & Second Conditional › View
Tell me the truth if you ____.
A. could
B. will
C. can
Homonyms › ViewIt is illegal to ___ goods door to door.
a. pedal
b. peddle
Grammar › View
Your brother ____ work in the holidays last summer.
A. had to
B. have to
C. has to
D. doesn’t have to
