用所给单词的适当形式填空
1. Gao Wei is a _____ student, he studies ________.(good)
2. You should listen to the teacher ______(careful).
3. You should be ______ in class.(active)
4. ______(not)do it again.
5. The teacher says to Tom angrily, “Don’t ____(make)noise in class.”
6. ______(hand)in your homework on time.