A:P在AC边上
B:P在AB边上或其延长线上
C:P在△ABC外部
D:P在△ABC内部
按笔顺写字。
秋:____
积:____
⑴How many pears do you see?____ A. OK.
⑵Let's read a book.____ B. I have 20.
⑶Look at my new toy car.____ C. Oh, how beautiful!
⑷How many eggs do you have?____ D. I see 12.
⑸Can you count with me?____ E. Sure. 1, 2, 3. . .