My cousin Sandy is1English girl. Her2name is White. She is 12. The girl is3. In her room, her books and tape player4in the bookcase. Her pencil box is on the5. Her ruler is on the desk, too. And a set 6 keys are in her pencil box. A baseball is under the desk,7 it's not Sandy's. It's her brother8. Sandy has a computer. 9 on the table. There is a photo on the wall. Two girls are in the photo. Do you know10the two girls are? Well, they are Sandy's good friends, Mary and Anna.

如图是屋架设计图的一部分，其中∠A=30°，点D是斜梁AB的中点，BC、DE垂直于横梁AC，AB=16m，则DE的长为（  ）

仿写句子，完成诗集的寄语。
读古诗，如同拥抱美妙的世界。
你能领略山的风采：有的婀娜隽秀，有的巍峨挺拔。
你能聆听水的旋律：有的婉转低回，                   。
你能欣赏花的姿容：                    ，有的灿烂盛开。

The boy ____ ____ two years ago and never came back.