Patrick was helping his big brother, Hank, rake leaves.

"Where did they go?" asked Patrick.
"Who?" asked Hank.
"Dinosaurs, of course." Patrick never talked about anything else.
"Well some people think the world got too hot for dinosaurs," 说 Hank. "And some think it got too cold. Maybe an asteroid hit the earth and covered it with dust." He showered Patrick with a pile of leaves.
"That's not what I think," 说 Patrick.
"And what do 你 think?" asked his brother.

"I think that, once upon a time, 恐龙 and people were friends," 说 Patrick.
"There weren't any people then," 说 Hank. "Cave men...

Patrick and his brother, Hank, went to the zoo on Saturday. They stood outside a tall fence and watched the elephants.
"I'll bet that 象, 大象 is the biggest animal in the whole world," 说 Patrick.
"You think he's big," Hank said. "A brontosaurus was heavier than TEN elephants."

"Gosh!" 说 Patrick. If Hank 说 so, it must be true. Hank knew all about dinosaurs. He knew 更多 about everything because he was older and went to school already.
Patick squeezed his eyes half shut. What would a dinosaur that weighed as much as ten elephants look like? The brontosaurus he imagined turned and looked...