I ______ this exercise twice. I can't understand it :( ... | GrammarQuiz.Net

[ Grammar ]

I ______ this exercise twice. I can’t understand it 🙁

A. ‘ve done

B. ‘ve been doing

C. done

D. has

Select your answer:
A B C D E

Random Topics:

Articles and Demonstratives Vocabulary and Phrases Tenses Structure Sentence and Fragment Ed and Ing Endings Adjectives or Adverbs Coordinating and Subordinating Conjunctions Noun Verb Agreement Grammar on Conditionals Neither/Either/All/None

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A. there is

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