TL;DR – Must be typo.
This supposed Primary One English worksheet from Maris Stella High School (Primary) was posted on Facebook,
So far the entire office has stared at it for a good 10 minutes (and spent another 10 checking out thesaurus.com for synonyms of ‘excited’) to no success.
We’re this close to calling Maris Stella Primary School and asking them for the answer – unless a kind, brilliant soul can share it with us?
— Edited at 22 July to add —
It seems that the answer is ‘excited’ after all: