let...down,come out,get along with,in the slightest,what if

let...down,come out,get along with,in the slightest,what if
1.-how are you _______your new job?
-very well
2.Don't _______your parents________any more
3.-when is her new novel ________?
-next month
4._______i don't know the new word?
-you can look it up in dictionary
5.he doesn't know about Chinese culture________.
_________________________________________________