where/which/when

[true will]

which the right choice please
* This is the town ____ I was born in.
a) where
b) when
c) which


*This is the town ____ I was born.
a) where
b) when
c) which

i see both of sentences have a little difference that is (in) after born so is my answer right , please ?

[5jj]

1. This is the town ____ I was born in.
a)where X
b) when
c) which


2. This is the town ____ I was born.
a) where
b) when
c)which X

'Where' as a relative means roughly 'in which'. Thus, 'where' is not appropriate in #1, because of the 'in', and it is appropriate in #2.