4. why did the boy make his dog sit in the sun? (男孩为什么让他的狗坐在阳光下？)

5. why can a bride hide nothing?(为什么新娘子什么也藏不住？)

6. why is the library the highest building?(为什么图书馆是最高的建筑物？)

脑筋急转弯大全及答案：4. he wants to have a hot dog. (他想要一条热狗。)
5. because someone will give her away. (因为有人会揭发她。give away 揭发，在婚礼上把新娘交给新郎)
6. it has the most stories. (它的楼层最多。story 故事，楼层)