________ around the Water Cube, we were then taken to see the Beijing National Stadium, known as the Bird’s Nest。
—Each boy and each girltalking about optional courses(选修课). —Yes! And the eachtheir favorite one!
Football is played in more than 80 countries, it the most popular sport around the world.
The boys,with this frightening person, lost their tongues.
Qingdao liesthe west coast of the Pacific Ocean, where we can not find many islandsthe coast.
一个四棱锥和一个三棱锥恰好可以拼接成一个三棱柱.这个四棱锥的底面为正方形,且底面边长与各侧棱长相等,这个三棱锥的底面边长与各侧棱长也都相等.设四棱锥、三棱锥、三棱柱的高分别为,,,则( )