Question

What makes this sentence a fragment?

"Did the entire puzzle in less than an hour."
Select one:

It has no modifiers.

It has no punctuation.

It has no subject.

It has no action word.

Answer 1

Answer: It has no subject.

Step-by-step explanation:

It should be "I did the entire puzzle in less than an hour." Or "Steve did the entire puzzle in less than an hour." Or something like that. It needs a pronoun or a name at the beginning, otherwise it has no subject and it's not complete.

You could also make it work if it's connected with another sentence that has a subject. For example- "I've already finished- did the entire puzzle in less than an hour."