He's going ..... vacation again? How many vacation days does he get a year? One hundred?

He's going ..... vacation again? How many vacation days does he get a year? One hundred? (*) in (*) on (*) out (*) under


This is a companion discussion topic for the original entry at https://english.best/questions/17402,hes-going-___-vacation-again-how-many-vacation-days-does-he-get-a-year-one-hundred/