Present Continuous

I am in a hurry. I __________ (meet) him at 3 o’clock and, with this traffic, I am not sure if I can make it.

If you want you can stay with me today. My mother _______ (bake) a pie.

You can’t see it. It is not done yet. I ________ (work) on it

Richard is on a special diet. He _______(not/eat) any red meat at the moment.