[ Grammar ]
Have the windows been…………?
A. clean
B. cleaned
C. cleaning
D. cleans

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Conjunctions, Interjections and DeterminersPast Narrative TensesGoing To Be and WillConditional Sentence 0, 1Gerund - to Infinitive Verbals and GerundsPrepositions & Modal VerbsGrammar - Nouns, Verbs, and AdjectivesPast Tense & Present Perfect TenseWord Form & Verb TenseOther quiz:
Mixed General Quiz › ViewIn June of 1997, Prime Minister Hashimoto ___ a summit of international leaders in Denver.
a. sponsored
b. attended
c. watched
Tenses › View
By the time I met you, I ______(work) in that company for five years.
A. had worked
B. has worked
C. is working
D. worked
