Two snakes were slithering through a field。One snake turned to the other and asked，“Do you suppose we are poisonous snakes？”
“I don't know，”replied the other，“Why？”
“Well，”said the first，“I have just bit my lip。”
两条蛇在田地里爬行。一条蛇问另一条：“你觉得咱们是毒蛇吗？”
另一只回答道：“我不知道。你为什么会问这个呢？”
第一条蛇说：“我刚刚咬了自己的舌头。”
1.slither v。连走带跑地滑
Tonya screamed when she saw a snake slither across the yard。（托雅看见有条蛇爬过院子时高声尖叫了起来。）
2.suppose v。猜想，以为
I suppose he is still in town。（我想他还在城里。）
期望，认为必须，认为应该
You're not supposed to take the books out of the room。（这些书不能拿出屋去。）