[ Past Modals ]
I _______ have gone to the concert, but I was too tired.
A. could
B. could have
C. must
D. should

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Conjunctive AdverbClausesTOEFL Adjective and AdverbLanguage Features: Reflective ArticleQuestion TagTenses and Sentence CompletionModal Verbs & Reflexive PronounsKnee AnatomyMesopotamia VocabularyTenses and ArticlesOther quiz:
Modal Verbs › View….. you swim when you were 12?
A. can’t
B. could
C. can
D. has
Grammar › View
He acts as if he ____ everything.
A. knows
B. knew
C. know
D. had known
Grammar and Vocabulary › ViewI _______________ Lucy since last Friday.
A. didn’t see
B. haven’t seen
C. don’t see
Future - Will and Be going to › View
Complete the sentence: ……………………she go to the doctor?
A. Will
B. wills
C. going
D. willes
