Answer:
I was playing catch with my two dogs, Peanut and Butter, because he loves to play so much.
Explanation:
This sentence because if you are referring to two objects you don't use or need a singular pronoun, so instead of he the correct use would be they.
Answer:
D. The US economy is the largest in the world when measured in GDP per person.
Explanation:
Trade enhances economies through the creation of jobs, and the sale of the items. Can't have an economy without buying and selling. Trading is usually a positive thing, that being said certain types of trade can actually hurt jobs. For instance, when more modern clothing was invented and sold, lots of people selling animal skin clothing and such probably had to find a new way to make a living.
The answer to your question is C. syntax
Syntax is simply the arrangement of words to make sentences.
Hope this helps!