Hello,
The complete adverb clause in this sentence is "When you're through with that compass"
Hope this helps :)
After boots you should try put a period.
The simple subject of this sentence is Matt Robins.
Mechanics refers to the rules of the written language, such as capitalization, punctuation and spelling. An understanding of both grammar and mechanics is required to clearly communicate your ideas in a paper.
The answer is b, are.
The reason is because it is the only one that fits in the sentence that makes sense!