“Any excuse would need to include 3 excuses.”—not as such; there is then the possibility that someone will wish to have an excuse to turn in an assignment they expect to do well on late to replace the grade of one of the other assignments which they did poorly on (or had no excuse).
“Any excuse would need to include 3 excuses.”—not as such; there is then the possibility that someone will wish to have an excuse to turn in an assignment they expect to do well on late to replace the grade of one of the other assignments which they did poorly on (or had no excuse).