Which answer choice is a sentence fragment?

Question

Responses

Javier is heading to the grocery store.
Javier is heading to the grocery store.

To ride bikes tomorrow.
To ride bikes tomorrow.

We will join him.
We will join him.

The snake is on the sidewalk.

Answer 1

The answer choice that is a sentence fragment is:

To ride bikes tomorrow.

This phrase does not form a complete sentence because it lacks a subject and a verb.