the government_do more to help homeless people是can 还是shouldshould i can‘t see you on friday but i（ ）meet you on saturday morningi’m afraid i'm( )come to your party next week

the government (should ) do more to help homeless people
should i can‘t see you on friday but i（ can ）meet you on saturday morning
i’m afraid i'm( can't )come to your party next week

the government_should_do more to help homeless people
是can= 是能够做得到的意思
还是should 是应该去做的意思
i’m afraid i'm( unable to)come to your party next week 未能出席