【April·语法】请问这个句子有什么语法错误？求帮助
About half an hour later, I found a video collection about English grammar of the middle school have 20 videos had been taught by Wang Fei of teacher from Youdao.
About half an hour later, I found a video collection about English grammar of the middle school have 20 videos had been taught by Wang Fei of teacher from Youdao.
