It was a nice piece of work.
He needed a piece of granite.
Word: "piece"
OPTIONS:
- different meanings
- the same meaning
different meanings

The TV program has a new time slot.
He put a quarter in the slot.
Word: "slot"
OPTIONS:
- different meanings
- the same meaning
different meanings

A unit of wheat is a bushel.
Units of nucleic acids.
Word: "unit"
OPTIONS:
- different meanings
- the same meaning
different meanings

That's three times he's made the same mistake.
This time he succeeded.
Word: "time"
OPTIONS:
- different meanings
- the same meaning
the same meaning