英语 八年级 选择题 较难 ★ 精品 情态动词must表必须 — 英语选择题 译林版·英语(初中) Unit 8 Safe and sound AI 三重审校通过 题目 At a climbing center, the rule says all climbers, even experienced ones, wear a helmet. Leo is an experienced climber. Complete the sentence: Leo ______ wear a helmet. A. must B. mustn't C. needn't D. can 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 更多英语选择题