表壳虫的外壳由细胞本体分泌而成。（）
参考答案：对
．—Well, Kate, I’m sorry, but I have to leave.
---_____. I hope to hear from you soon.
A．Keep in touch
B．Have s good time
C．Walk slowly
D．So am I.
A．复印 B．找人 C．打电话
