Hol. Coll. 106

Does anyone have a clue to the following, PLEASE?
16a) Types that go right into modifying act, I see.
?a?e?o?ics
15a) Flustered Tories rise & spit.
????s?e?ic
1d) First of many, building on desire to renovate.
s?d????s? ( 5th letter is the same as the 1st of 15a.)
2d) Bargaining involved in eating, too.
O?g???ati?n.

Many thanks for any help.