1.He thrusts his fists against the posts and still insists he sees the ghosts.

　　1.他用拳头猛力推打柱子,仍然坚信他见到鬼了。

　　2.How much wood would a woodchuck chuck if a woodchuck could chuck wood?

　　2.如果一只土拨鼠能够抛掷木头,它能抛多少呢?

　　3.How can a clam cram in a clean cream can?

　　3.一只蛤蟆怎么可以塞满干净的奶油罐头!