When Tees are pronounced as Dees    

As you watch the video, try to type into the boxes the words whose "t" sounds are replaced by a mild "d" sound, (or even no sound at all!)
example:    He set it for later, at three-twenty.

It's a
Today's weather's
Computer
A
He the
It was a
It doesn't

If you want to take this further, here's a link to a good Youtube video where an American elucidates the strange pronunciation phenomenon that I call "Dees for Tees."