英语用所给词的适当形式填空
所给词：closed,collect,opened,collected,brought,posted,some time,sometimes
diana's mother （）the mail box and took out all the letters.she than （）them to her table and look through them.there was a letter from her uncle in britain.she saw three colorful stamps （）on the envelope and cut them out for diana.
the next day,diana and her mother took out the stamps they had（）.they soaked the stamps in water for （）before peeling off the paper that was stuck to the stamps.