[ Grammar ]
You ….. .… …… “No” to the stranger’s invitation on Facebook.
A. could say
B. could have
C. could have say
D. could have said

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Auxiliary Verbs & Question TagsVerbs � Nouns � Adjectives - AdverbsCan vs be able toEd and Ing EndingsQuestion WordsFuture Perfect TenseGerundModals Deduction: cant /mustTag QuestionGrammar - First ConditionalOther quiz:
Vocabulary › Viewthe type of story
A. genre
B. informational text
C. narrative poem
D. prepping
Present Perfect Continuous › View
Select the incorrect Wh- question
A. What you have been doing?
B. Why have they been looking for that?
C. How long have I been speaking there?
D. Where have you been eating?