It is common practice _____ a battery when it still has some life in it.

A、to charge

B、charge

C、charged

D、having charged
出自：大学英语（C）252

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10249089】个 (题库试题定时更新)