The magazine that I had been waiting for a----- just now.初中单词拼写

The magazine that I had been waiting for a----- just now.初中单词拼写
The magazine that I had been waiting for a----- just now.初中单词拼写

The magazine that I had been waiting for a----- just now.初中单词拼写
arrived,来到
用一般过去时,因为 just now 是刚才的意思

个人观点 arriving just now 确实是是刚才的意思 但是had been waiting过去完成进行时已经表示过去了 而且for毕竟是介词 后面的动词用doing也是有理由的
另外我一直想说 是首字母填空还是单纯的 for a 后面一个完整单词填空呢