Answer:
decaying, declining, dying, failing etc
To see how much knowledge you have gained, to see what helps you learn and also these tests tell your teacher what they need to do to improve there teaching as much as for you to improve your knowledge
Blight means ruin and disaster. Words and phrases that indicate and support this meaning are: "the last bitter hour" (denoting death), "stern agony, and shroud, and pall" (also denoting death, but this time in an even more literal way), "breathless darkness", "make thee to shudder, and grow sick at heart" (these phrases definitely imply a disaster that takes our breath away).
