Which plate is covering most of two continents ? what two continents?

The plate that is covering most of the two continents is the Eurasian plate.
The continents are
1.  Europe
2.  Asia
The Eurasian plate is a tectonic plate that amasses the whole continent of what others call as “Eruasia”. It takes part of the oceanic crust that starts from the Mid-Atlantic Ridge and extends itself to northward of the Gakkel Ridge. The size of this plate is for about 67,800,000 km according to statistics and geography.  

The Eurasian plate covers most of the continents of Europe and Asia.