- He is never late for school.
- ______. His teacher is angry with him.
A:Yes, he is.
B:Yes, he isn't.
C:No, he isn't.
D:No, he is.
舀 滔
____水 波浪____天 ____不绝
吭 坑
____道 ____声 ____人
制作馒头、面包利用的微生物是( )
因式分解:﹣2x2y+8xy﹣6y=____.