Answer:
leaves a thought unfinished
Explanation:
As opposed to an independent or main clause, a dependent clause is a group of words having a subject and a verb that does not express a complete thought. It is a construction that can not stand alone because it would leave a thought unfinished. Here are some examples of sentences containing dependent clauses (underlined):
If she hadn't had that accident, she wouldn't have stayed here.
Maria, who is my oldest sister, has been ill for so many years.
I admire him although I don't agree with his point of view.
