produce teach publish keep主动语态和被动语态各两个造句

The factory produces cars and trucks.
Cars and trucks are produced.
We should teach a love of reading.
A love of reading should be taught to us.
He published several books.
His new book will be published next month.
Keep a cord of wood in the shed.
A cord of wood was kept in the shed.

Trees can produce oxygen. The computer was produced in 2005.