Topics: Past Modals
She _______ have been tired after working all day.
A. must
B. must have
C. can
D. should
Select your answer:

Random Topics:
Past and Perfect TensesPresent Tense VerbsSentence TransformationGerunds and TensesPassive VoiceModal Verb Gerund or To InfinitivePaired ConjunctionWH- Question WordsProgessive TensesFrequency AdverbsOther quiz:
Relative Clauses › ViewDr Smith is a good surgeon. He lives next door.
A. Dr Smith that lives next door is a good surgeon.
B. Dr Smith who lives next door is a good surgeon.
C. Dr Smith, who lives next door, is a good surgeon.
D. Dr Smith, whom lives next door, is a good surgeon.
Present Tenses › View
My dad …………….. all week and feels tired now.
A. is working
B. works
C. has been working
D. has worked
