It is highly recommended that any person exploring a cave carries a
source of artificial light.
答案是C, any person + carries 不对么??
举报
发表回复
手机版|ChaseDream|GMT+8, 2025-9-24 13:22 京公网安备11010202008513号 京ICP证101109号 京ICP备12012021号
ChaseDream 论坛
© 2003-2025 ChaseDream.com. All Rights Reserved.