[ Grammar ]
We ______ known each other for twenty years.
A. have
B. is
C. has
D. are
Select your answer:

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Passive Voice - Past SimpleSentence StructureVerbs - third personGrammar - much, many, a lot ofSimilesModal Verbs - ObligationPaired ConjunctionFuture - be going toDefinite vs Zero Article Abstract Nounsanother/the others/each other/one anotherOther quiz:
Present Tenses › ViewGiorgio ___________ really hard for this test since he came .
A. have studied
B. has studyed
C. has studied
D. study
Past Participle › View
Have you ever ____ (plant) a tree in your garden?
A. plants
B. planting
C. planted
