一道动词过去式的英语题目

一道动词过去式的英语题目do go be have sing play enjoy eat staySally(用S表示了）:Where ( ) you last weekend?Martin（用M表示了）：We ( ) to Centrak Park.S:What did you do there?M:Many things.We ( ) ball games and singed songs.S:Hou was your weekend?M:It was great fun.We really ( ) it.S:What else did you ( M:We ( ) some pizza,sandwiches and chips.S:So,you( ) a picnic in Central Park.M:Yes.What about you?S:I stayed at home.