In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Academic life has (1) _________ demanding for students as a result of different internal and external expectations. Teenagers are especially (2)__________ to academic stress because they go through so many personal and social changes. As a result, designing effective and efficient (3) _________ solutions requires a thorough understanding of the causes and consequences of academic stress. Exams are one of the (4)_________ aspects of anyone's life. Exams are stressful for everyone, whether they are students or adults because everyone wants to perform well and no one wants to fail as to avoid (5) ________ in future.