complement:
I watched a movie ____ was very exciting
that
What is a special day when you feel very happy?
My birthday is a day when I feel very happy.
She knows a teacher ____ speaks French
who
Who is a person whom you admire?
My English teacher is a person whom I admire.
we visited a town ____ my grandparents were born
where
What is a place where you like to relax?
Resposta: The beach is a place where I like to relax.
I met a girl ____ brother is a famous singer
whose
What is the reason why you study English?
Getting better job opportunities is a reason why I study English.
They bought a car ___ is very expensive
that
Who is a person whose opinion you respect?
My father is a person whose opinion I respect.