Originally Posted by 0x55
I haven't found a way to do this either, but there's a cumbersome workaround: Try decreasing the text size until your passage (hopefully) fits on one screen, highlight it, then restore the text size.
This trick won't always work, depending on the size and location of the block you need to highlight, but it's helped me a few times.
Same trick I have used. But I too wold like to see a more elegent approach from the Kobo developers.