The reason ____ he was late for school was _____he had to send his mother to a hospital.
A. that; why B. why; because C. why; that D. that; because
_______ I’m not sure of winning the match, I will have a try anyway.
A. WhileB. Before C. Once D. Since
Doris’ success lies in the fact _______she is co-operative and eager to learn from others.
A. which B. that C. when D. why
The system of Braille is really _____________ to the blind.
A. of great useful B. great useful C. great use D. of great use
________ is exciting news that she has received a doctor’s degree.
A. What 
B. It C. This D. That
请根据以下提示，结合你在生活中的一个事例，用英语写一篇短文。
In your school life , maybe there’s a certain teacher who you will never forget .Tell us the reasons why he or she makes you unforgettable .
注意：1.无须写标题，不得照抄英语提示语；
2.文中不得透露个人姓名和学校名称；
3.词数为120左右。
