Subject. because you cant have a sentence without a subject<span />
I’m unable to answer without seeing a passage.
I believe that making online purchases through smart speakers isn't a good idea. It would become very easy to steal credit card information if you are just yelling it into your devices. You also have the scenario were a kid or friend could jokingly order something.
Answer:
Mental cunning
Explanation:
He is often referred to as A MAN OF TWISTS AND TURNS
"Has been waiting" should be your answer. a simple predicate is the verb or verb phrase in the sentence and it usually tells what the subject does.