I don’t like people (a)   tell jokes all the times.

The subjects (a)   we talk about in class are interesting.

The student (a)   essay I read writes well.

Is this the article (a)   you were interested?

Which is European country (a)   economy is growing the fastest?

I’ll never forget the day (a)   we broke up

He never says anything (a)   is worth listening to

He told me about the places and people (a)   he had seen in London

The man to (a)   my mother is talking is my teacher.

She had three lovers, none (a)   knew about the others.