The girl ______ is standing under the tree is my sister.
whose
which
whom
who
This is the book ______ I bought yesterday.
whose
whom
which
who
The man ______ you met at the party is a famous writer.
whom
which
whose
where
Do you know the boy ______ father is a doctor?
whose
who
whom
which
The house ______ we bought is very old.
where
which
who
when
I still remember the place and people ______ I first met in this city.
that
which
where
when
This is the first mobile phone ______ I got from my parents as a present.
that
which
when
why
The computer_______ the day before yesterday has caught a virus.
which i bought it
I bought
what I bought
I bought it
The woman astronaut ______ gave us a lesson on space is Liu Yang.
whom
which
whose
who