Choose the right form.

1. ... in 1636, Harvard is one of the most famous universities in the world.
a) it was found
b) it was founded
c) founded
d) found

2. She is so tall ... Her friends make fun of her.
a) as
b) that
c) so
d) than

3. Tell me what ... me to do.
a) you want
b) want
c) do you want
d) you do want