We’ve turned out large quantities of cars. This year      we’ve produced thirty thousand ones.

It is now generally believed that a good teacher should be ______ to his/her students. 

Your letter will get ___ attention; they know you're expecting the answer.

The teacher requested that we _______ detailed notes in class because they are more ______ than our memory. 

下面       组中的字母顺序前后是正确的。