I don't know the exact answer because I am guessing this is for your exact teacher.
If I was to take a guess I would probably say a. contribute to the conversation. That makes the most since to me.
<u>Hope this helps!</u>
<em>C. preview contains the prefix pre-; it changes the word to mean"to see in advance.'' This is the correct answer I promise I just took the K12 unit test and I thought it was A but It wasn't right so yeah the right once again would be C.</em>
This sentence contains a coordinating conjunction.
I'm a bit confused by the word you capitalized because the word "at" is neither a subordinating nor a coordinating conjunction. It is a preposition.
However, the word "but" is a coordinating conjunction, linking two independent clauses together.
Answer:
Please point me to the restroom.
Toilet, please.
Might you be so kind as to tell me where I can eat?
Where is food?
Where could I find a hairdresser?
Haircut where?
What do you think of this soup?
Soup good?
Explanation: