Let's define these types of clauses. Adjective clauses can serve as a multi-word adjective, basically. Noun clauses can serve as a multi-word noun, with a subject and verb, but remember, they are still dependent. Adverb clauses start with a subordinating conjunction. Now let's dissect this sentence.
"It is not right" independent clause
"to make a promise" adjective clause
"unless one is sure he can fulfill the promise" adverb clause
the answer is "one adverb clause and one adjective clause"
C
Here's why :
cause, when youre saying that in a sentence, the comma goes as a little break, like how im doing right now.
Repetition helps exaggerate a point that the author is trying to convey. It highlights the main idea of what that character in the story is trying to let readers understand when stating such phrases.
