One must have worked - it shows in your question !
"Whose responsibility is it to see whether it's working?"
They arent "they" are working on making themselves richer.
No words are contracted into apostrophes.
if he does, they arent working.
Inches is shown by two apostrophes (").
Only use apostrophes in contractions, and to show possession
blown fuses
The duration of Apostrophes - talk show - is 3600.0 seconds.
Apostrophes and quotation marks can be used interchangeably.
Apostrophes - talk show - was created on 1975-01-10.
Apostrophes - talk show - ended on 1990-06-22.
Apostrophe has only one name. It's apostrophe. The plural is apostrophes.