[ Present Tense ]
I’m tired because I…….been working out.
A. has
B. have
C. am
D. had

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Neither/Either/All/NonePast Perfect Simple & ContinuousGrammar - PunctuationWH- Question WordsConditional Sentence Type 1Interjections, Tag Questions and Nouns of Direct AddressTOEIC Tenses, VerbsPast ModalsTenses & AffixesOrdering AdjectivesOther quiz:
Present Tense › ViewI have a new sketch book. Lately, I love __________ on it. It’s almost full with my sketches.
A. sketch
B. sketches
C. sketching
D. sketched
Modal Verbs › View
. If you are having trouble sleeping, you had better not drink so much coffee before bed. What is the function of the modal verb?
A. advice
B. obligation
C. request