During the class,a girl sitting behind a boy drew a pig and posted it on his back. The boy quickly found it out and pulled it off. The girl asked him,"How did you know there was a pig behind you"
上課的時(shí)候,坐在一個(gè)男生后面的女生畫了一頭豬貼在他的背上。 那個(gè)男生很快發(fā)現(xiàn)了,把豬拿了下來(lái)。那個(gè)女生問(wèn)他:"你怎么知道你的后面有一頭豬呢?"