完形填空。

    Hello, I am John. Look, this is a picture 1my room. I have a nice bed in the middle of my room. There is a big table 2 the closet and the bed. Many clothes are 3 the closet. A white air-conditioner is4 the wall beside the window. There is a computer on the table. I often write e-mails with it.

    Do you like my room? What's your room 5? Can you tell me, please?

进入中学后，你肯定会结交一些新朋友，我们结交新朋友的标准应该是(   )
①是否有共同的兴趣、爱好②是不是个性完全相同③是否有共同的语言④能否彼此信任

一首歌中唱到：“我们唱着《东方红》，当家做主站起来……”，“当家做主站起来”指的是（    ）