[ Modal Verb ]
I _____ have left my keys at home
A. Must
B. Should
C. Can
D. Might

Random Topics:
Conjunction: Because and SoGrammar: Simple Past and Past ContinuousVerb PhrasesGrammar and IdiomsPast and Present ContinuousModal Auxiliaries and To Be VerbsPassive Voice in Past Simple TenseWill or Going toHow many / How much - Is there / Are therePresent Simple TenseOther quiz:
Grammar › ViewSongül is really lucky. She ______ (visit) Italy three times.
A. has been visiting
B. has visited
C. is visiting
D. visits
Modal Auxiliary Verb › View
‘I wonder how old he is.’ ‘He was Asti’s classmate in1985, so he … at least twenty five now.’
A. will be
B. should be
C. must have been
D. should have been
E. shall he