[ 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 › ViewShe’s much better after her operation. She’ll _____ walk again soon
A. can
B. be able to
C. both are possible
Future Tenses › View
It is cold in here. I __________________ close the windows.
A. am going to
B. going to
C. will to
D. will
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
