Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that best fits each of the numbered blanks from 27 to 31.

Homework is a part of (27) _______ student's school life. Unfortunately, many of them disapprove of the amount of homework they are given, and find it particularly unfair when they have to study a lot before a test. This makes them feel anxious and some even become physically sick when under (28)
_______. Others sometimes find it impossible to complete their homework, (29) _______ makes teachers believe it's an act of disobedience.
On the other hand, teachers consider homework beneficial. They believe students should have a daily schedule to avoid getting (30) _______ and having to hand in incomplete homework. (31) _______, teachers think inadequate amounts of homework put students' future at risk.
(Adapted from Use of English for All Exams)