题目

I did my homework last Sunday. (变成一般疑问句)_________ you __________ __________ homework last Sunday? 答案：【答案】Did do your 【解析】题目要求变为一般疑问句。原句谓语did为实义动词的过去式，故疑问句应用助动词do的过去式did，且位于句首首字母应大写，动词变为原形do，自述语气的my在问句中应改为your，故答案为①Did；②do；③your。把与平行四边形面积相等的三角形涂上颜色．