to their surprise 这句话 是不是应该在surprise后加d?

to their surprise 这句话 是不是应该在surprise后加d? 是to them surprise还是to their surprise to one's surprise 的surprise固定是不加s?即使是to their surprise? have ap surprise arty中的 surprise加d吗? To their surprise为什么不能用过去式? to their surprise.为什么不是surprsed? surprise 是To their surprise还是To their surprises Imagine their surprise and. to us surprise还是to our surprise To their surprise, Li Ming has eaten up five ________. to their surprise ,the boy 's wound was left .,