to their surprise.为什么不是surprsed?

to their surprise.为什么不是surprsed? To their surprise为什么不能用过去式? 是to them surprise还是to their surprise 为什么是surprised不是surprise 是To their surprise还是To their surprises to one's surprise 的surprise固定是不加s?即使是to their surprise? surprise party为什么不是 surprising party To their surprise, Li Ming has eaten up five ________. to their surprise ,the boy 's wound was left ., to their surprise 这句话 是不是应该在surprise后加d? Imagine their surprise and. I want to go to his house to surprise him.为什么用surprise