英语 八年级 填空题 标准 情态动词 must/have to 表必须 — 英语填空题 冀教版·英语 Unit 4 Rules make for a better life! AI 三重审校通过 题目 It is necessary for Nina to wear a helmet when she rides her e-bike. Rewrite the sentence using have to: Nina ___ wear a helmet when she rides her e-bike. 登录后查看答案与解析 用此考点生成试卷 本单元全部练习题 更多英语填空题