His airplane flew the (fastest, faster) of all.
His airplane flew (fastest, faster) than hers.
She did (well, good).
Tom did (better, best) than she.
Sue did the (best, better) of all.
The moon is shining (brightly, more brightly) tonight.
The moon is shining (brightly, more brightly) tonight than last night.
The moon shone (more brightly, most brightly) last night.
This is the (sturdier, sturdiest) bridge in the state.
The new bridge is (studier, more studier) than the old one.