快乐学习 一个网站喵查铺子(catpuzi.com)全搞定~

To clean the water bottle which has been used for a long time, white vinegar can be used to remove ______ from the inner surface of the bottle.

A、

rubbish

B、

scale

C、

dust

D、mud
喵查答案:

scale

喜欢 (0)
关于作者: