I planted ____ tree ? in my garden last year. ____ tree ? has now grown big.

I planted tree ? in my garden last year. tree ? has now grown big.

A/An

A/The

The/The

An/The

I planted a tree ? in my garden last year. The tree ? has now grown big.

Note 1: Use "A" or "An" to talk about a person or thing unknown to your listener.

Note 2: Use "The" to talk about a person known to your listener.