英语:lucy didn't pass the end-of-term exam,which upset him very much
问题描述:
英语:lucy didn't pass the end-of-term exam,which upset him very much
which upset?
那如果是一般现在时类?要不要加s?
答
upset在这里是upset的过去式,表示过去的动作.不存在单复数的问题