1. Open the window, please.(改為否定句) open the window, please. 2. These are some old photos.(改為單數(shù)句) old photo. 3. I am Han Meimei.(改為同義句) Han Meimei. 4. Xiao Hong isn't at school today.(對畫線部分提問) at school today? 5. My mother is OK today.(對畫線部分提問) mother today? 6. I think Tom is in his bedroom.(改為否定句) I Tom in his bedroom.