[ Verb Tenses ]
I’m tired because I __________ all morning.
A. have worked
B. had worked
C. have been working

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Verb TensesPhrasesPronoun Antecedent AgreementConditional 0Vocabulary & Phrasal VerbConditional Sentence 0, 1AnalogyAdjective or AdverbPassive Voice - Present TensesWestern Europe CountriesOther quiz:
Gerund or Infinitive › ViewDon’t forget … off the lights.
A. turning
B. to turn
Vocabulary › View
What does the adjective “predominant” mean?
A. Least important
B. Most important, obvious, or typical aspects of something
C. Unusual or different
D. Famous
Tenses › ViewMary always … nice clothes for work.
A. wears
B. is wearing
Vocabulary › View
a basic food that is used frequently and in large amounts.
A U-Shaped fastener with sharp ends
A. tack
B. staple
C. query
D. memento
