stop at a green light（改为否定句）还有2句：1Igoi am ng to buy a book this afternoon.(改为一般疑问句）2He goes to school by bus?（对划线部分提问） ————
问题描述：
stop at a green light（改为否定句）
还有2句：1Igoi am ng to buy a book this afternoon.(改为一般疑问句）2He goes to school by bus?（对划线部分提问） ————
答
stop at a green light-----go at a green light
i am going to buy a book this afternoon-----are you going to buy a book this afternoon?
he goes to school by bus------how does he go to school
答
1. Don't stop at a green light. 不要在绿灯前停。
2. Are you going to buy a book this afternoon? 今天下午你要去买本书吗？
3. How does he go to school?(是对by bus 提问吧？）他怎么去学校的？
答
Don't stop at a green light.
When are you going to buy a book?
How does he go to school?