Question

which of the following is a sentence fragment? my sister cant cook at all. can cook basic things. my father is an excellent chef.

Explanation:

A sentence fragment is an incomplete sentence that lacks a subject or a verb. "My sister can't cook at all." has a subject (My sister) and a verb (can't cook). "My father is an excellent chef." has a subject (My father) and a verb (is). "Can cook basic things." lacks a subject.

Answer:

"Can cook basic things." is a sentence fragment.