1.A big black bear sat on a big black bug.
2.A big black bug bit a big black bear and made the big black bear bleed blood.
3.A big black bug bit a big black dog on his big black nose!
4.How much wood would a woodchuck chuck If a woodchuck could chuck wood? He would chuck the wood as much as he could If a woodchuck could chuck wood.
一个土拨鼠如果能抛掷木头，它能抛掷多少？一个土拨鼠会抛掷木头的话，那它想抛多少就抛多少。
