_______has taken my pen by mistake.I can't find it.什么boby?
问题描述：
_______has taken my pen by mistake.I can't find it.
什么boby?
答
Somebody has taken my pen by mistake.I can't find it.
somebody
pron.
有人, 某人
有人错拿了我的我的钢笔,我找不到了.