You should remember the setting, characters, subject, sequence of events the messages the story tells and the point of veiw
The answer is: A) if you don’t buy them in advance.
An adverb clause functions as an adverb, modifying an adjective, verb or another adverb. It contains a subject and a verb, and it provides information as regards how, when, where and why the action happens.
Adverb clauses are also dependent clauses because they cannot stand on its own - they do not express complete thoughts by themselves. As a result, they need to join a main clause in order to make sense. They are joined to main clauses through subordinating conjunctions, such as <em>while, although </em>and <em>if</em>.
The sentence in which the pronoun and the antecedent are not in agreement is option C. If the bus is late, he will be late to class. In the first clause, the subject of the sentence is the word "bus", and in the next clause, the subject changed to "he" and the pronoun he does not clearly state its antecedent.
