— Nowadays, teenagers seldom do any housework at home.
— No, they don't. Doing homework ______ most of their time.
Not ____ you but also he ____ right.
问题(一)
如图①,一张三角形ABC纸片,点D、E分别是△ABC边上两点.
“这个事件的意义是结束了2000年的帝制,赶跑了皇帝,建立了共和”。“这个事件”是( )