Match the words with their synonyms/definitions

to be keen on	to join something
to try out	to use something to discover if it works or if you like it
to sign up for	to like

to attend	to enter upon (something, such as a business, hobby, or subject of study)
to take up	to go to an event, place, etc.
to fancy	to be excited about
fond of	having a liking for or love of (someone or something)