Defining & Non- defining relative clauses

I have a friend ...  speaks four languages.

The Internet is a place ...you can get cheap technology products.

E-mails ... advertise things are called "spam".

A "technophobe" is someone ...  is scared of technology.

That's the shop ...  I bought those shoes.

I can't find the CD ... I borrowed from you.

Do you remember the date ... we met?

There were three people at the party ... knew me.

I want to see the film ... everybody's talking about.

The mountain ____ we climbed yesterday was the highest mountain in Britain!

 Rewrite these sentences:

Greg bought a camera yesterday.

The camera doesn’t work.

 Which sentence is correct?

Which sentence is correct?

Mr. Bean, … is a very popular comic in Britain, has a master's degree in electrical engineering.

Bangkok,… the capital of Thailand, is the most visited city in the world.