"philip didn't pass the end-of-term exam,which upset him very much.”中upset为何不加"s"?
问题描述：
"philip didn't pass the end-of-term exam,which upset him very much.”中upset为何不加"s"?
答
你确定这个句子没错吗?拜托下次买书要买正版的.要不耽误学习.[顺便资助贫苦出版社...]