He served as the governor's lieutenant in matters such as this.
The lieutenant saluted sharply and returned to his post.
we
Put a shot across her bow and cut across her stern, Lieutenant!
Lieutenant is a military title. The lieutenant led the march.
We
No.
Simple. I live in Middle America.
put the ice in the cup
you
Causal connectives are used when one simple sentence is dependent on the other. For example, I put up my umbrella because it was raining." You can't use a connective like "and" or "so" here, because the first simple sentence "I put up my umbrella" is dependent on the second simple sentence "it was raining".
The simple subject in the sentence "How can we put a difficult puzzle together with some pieces missing" is "we." The simple subject refers to the main noun or pronoun that the sentence is about, which in this case is "we," indicating the people involved in the action of putting the puzzle together.
I am putting the pen on the table.
It is your topic sentence for your body paragraph, put in simple terms.