____ together for over ten years, we decided to set up our own company.
B. To work
C. Having worked
D. Having working
Coordinate Conjunction If vs. Unless Past Perfect Tense Present Simple ProgressiveNoun, Verb, AdjectiveGrammar (want to/ need to/ have to)Miscellaneous Grammar UsagesPresent Simple and ContinuousPresent / Future / Present Progressive / non Action Verbs
Other quiz: Adjective
The steets were crowded ___ people.
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