完形填空（共8小题；每小题1分，满分8分）
Why do students go to school? _____ you know? You may say that they go to school to learn Chinese, English, and other subjects. Yes, this answer is partially _____. But do you know _____ they learn all these things for? And ____ these things all that they can learn at school?
The answer is “No”. Students must learn ____ to learn at school. Everyone can learn something from school. When they leave school, they continue to learn. ____ a good teacher at school teaches his or her students to learn something and teaches ______ how to learn something. Then students can continue to learn well ______ they leave school.
A. Are         B. Do           C. Does
A. wrong      B. bad          C. right
A. how         B. what        C. why
A.is          B. am          C. are
A. how        B. what        C.which
A. And        B. But         C. So
A. they       B. them        C. their
A. before     B. after       C. when