问题
句型转换
根据要求写句子。
1. He went shopping with his friend yesterday.(改为否定句)
___________________________________________
2. I had my summer holiday in Wuhan.(对画线部分提问)
___________________________________________
3. Mr Lin taught us Chinese.(改为一般疑问句)
___________________________________________
4. He read a story book.(对画线部分提问)
___________________________________________
5. Did they learn English,too?(作否定回答)
___________________________________________
答案
1. He didn't go shopping with his friend yesterday.
2. Where did you have your summer holiday?
3. Did Mr Liu teach you Chinese?
4. What did he do?
5. No, they didn't.
龋洞较深，腐质黄褐色，不松动，叩痛（一）。
萌出2／3，近中窝沟微卡探针，略粗糙。
咬合面龋洞浅。
牙色充填体，边缘不密合。
腐质没有去尽时牙髓暴露，应进行的治疗步骤是（）