With an appropriate preposition:<br>All sewing was done ____hand until the invention of sewing machine in the ineteenth century.

With an appropriate preposition:
All sewing was done ____hand until the invention of sewing machine in the ineteenth century.

With an appropriate preposition:
All sewing was done ____hand until the invention of sewing machine in the ineteenth century.
【正确答案】：by

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