Preposition IN/OF/ON/BY

Which prepositions are correct in the following sentences?

1. You'll gain useful experience IN/BY working with computers.

2. Our teaching IN/OF science is fairly poor.

3. Jane is friendly with a girl who lives IN/ON the same street.

4. We often shop IN/ON Oxford Street.

I believe that emsr2d2's reply to one of your previous threads applies to this one as well:

Quote:

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Originally Posted by emsr2d2

Which one do you think is correct? You have posted several of these questions and so far we have happily simply provided the answers for you (not something we do very often!)

However, it's time for you to do some work.

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