关于英语的几个句子判断正误It's we who use and pollute it.WE不用改成me么I _____(unde_英语解答

关于英语的几个句子判断正误
It's we who use and pollute it.WE不用改成me么
I _____(understand) what the customer said.So I asked him to take his order.为什么?

人气：358 ℃　时间：2020-06-04 09:38:38

解答

第一句我不肯定.第二句就是understood.就是一般过去时啊.