Present Simple vs Present Continuous

On Sundays, we usually go for a long walk and eat dinner at our favourite restaurant.

• 
  a) It happens regularly.

• b) It doesn’t happen regularly.

I’m not driving to work this week because my car has broken down.

• a) It’s a permanent situation.

• b) It’s a temporary situation.

Look! She is smiling at you.

• a) It’s a situation happening at the time we are speaking.

• b) It’s a situation that happens regularly.

The average child smiles up to 400 times a day.

• 
  a) It’s a fact.

• b) It’s a changing situation.

Joan is living with her parents right now because she is looking for a flat.

• a) It’s a permanent situation.

• b) It’s a temporary situation.