Question

He has been ill _____ last Monday.

Answer 1

HEY MATE ⭐⭐

⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩
SINCE
⏩⏩⏩⏩⏩⏩⏩⏩⏩⏩

HOPE IT HELPS
MARK AS BRAINLIEST ☺️☺️

Answer 2

CORRECT ANSWER:
He has been ill since last Monday.
USAGES OF 'SINCE' AND 'FOR'
->Since is used when a specific Day or Date or Month or Year is given.
->For is used when an unspecific time is given like two years , three months ,five days ,etc.
I'm working here "for" 'Five years'.
I'm working here "since" '2013'.
Hope you understood and don't forget to mark it as the brainliest.