Which word choices for each sentences should I use in parenthesis?

The state legislature meets in the (Capital or Capitol).

They are planning to (precede or proceed) with the construction.

The professor will (precede or proceed) me on the program.

http://grammar.ccc.commnet.edu/grammar/notorious.htm

See #57

http://grammar.ccc.commnet.edu/grammar/notorious2.htm
See #201