Task II: Complete the sentences using correct preposition:When my mum bought

Task II: Complete the sentences using correct preposition:

When my mum bought me this costume I was so proud __ it.
of; b) to; c) with
Stella is going to arrange a party __ these weekends.
in; b) on; c) at
My teacher was very rude __ me and I cried.
to; b) with; c) on
My mother asked me to take care __ my younger sister.
of; b) with; c) for
She makes me laugh __her jokes.
with; b) on; c) at
This pen belongs __ me.
with; b) at; c) to
She is going __ the sea.
to; b) at; c) in
Dont seat __ this chair, its broken.
to; b) on; c) at