生物的生活环境是指生物的生存地点．（判断对错）
We can see people in the classroom.
下列划线字的注音完全正确的一项是（ ）
读句子，选答语。
A. She is my sister.
B. They are in the kitchen.
C. No, they aren't.
D. He's a student.
E. No, she isn't.
