Present simple vs present continuous

I ... Mary is Scottish, but I'm not sure.

• think

• am thinking

Don't disturb her! She ............. of a solution to this problem.

• thinks

• is thinking

The food in this restaurant always .............. fantastic.

• taste

• tastes

• is tasting

• tasting

She .............. the chocolate to see if it is sweet enough.

• tastes

• taste

• is tasting

• tasting

I ........... with some friends until I find a place of my own.

• live

• am living

• living

• lives

My parents ....... in London. They have lived there all their lives.

• live

• are living

• living

• lives

• is living

I have lost my pen. I ........... things.

• am always losing

• always lose

• always losing

Carol is never satisfied. She .............. .

• is always complaining

• always complains

• always complaining

Peter ........... of giving up his job.

• is thinking

• thinks

• thinking

• think

I can't understand why he ......... so rude. He isn't usually like that.

• is being

• is

• being

• be