121a. Feels bad about getting not all of the gifts (7) --s-n--
107d A professor is a 100 down chap (6) Ad-n--
123a. These avian seasonal visitors might make a grebe tense (5,5) -r-d-g-e-e
33d. As tolerent as historic Mr. Atlee (7) C-e-e-t
18d. "Ink" for a printer (5) T-n-r