They are the people (a)   dog got missing last week.

I have never met that woman (a)   my cousin is talking to.

The wall (a)   they built fell down after a few weeks.

I need a cellphone (a)   has a good camera

My mom is the only person (a)   remembers my birthday.

That's the gallery (a)   had the Leonardo da Vinci exhibition.

Is there someone (a)   can speak Arabic in your class?

The doctor (a)   usually attends my mother is on holiday now.

Do you know a good restaurant (a)   is open on Sunday night?