登录 免费注册
英语 高中 · 高一 人教版 · 必修第二册 单选题 ★★★★☆ 编号 #10033
The letters ___ at once to the office.
A. have sent
B. must be sent
C. were sent
D. is sent
章节：动词的语态 · 知识点：含情态动词的被动语态 · 标签：被动语态,语法
登录后可加入错题本 / AI 讲解
🔒

登录后每天可免费查看 5 道完整解析

注册即享每日免费额度，开通会员不限量。

立即登录 / 注册

📎 同类题推荐

#9965 The problem ___ at once at last.… ★★★★☆ #9971 The question ___ before Friday by the teacher.… ★★★★☆ #9977 The food ___ in time by my mother.… ★★★★☆ #9983 The letters ___ today to the office.… ★★★★☆ #9989 The books ___ today last month.… ★★★★☆