Fill in the blank with the correct Homophone.

Shop keepers don't sell low quality products.

A ________ always renews by itself.

cell

The correct homophone to fill in the blank is: Cell

The sentence would be: "A cell always renews by itself."

• Cell: In biology, a cell is the basic structural and functional unit of all living organisms. It's capable of self-renewal and is a suitable fit for the context provided.

The other options:

• Sell: This refers to the action of selling, which doesn't fit the context of self-renewal.
• Shall: This is a modal verb used to indicate a future action or possibility. It doesn't make sense in the context provided.
• Sale: This refers to the exchange of goods for money, and it doesn't fit the context of self-renewal.