用动词的正确形式填空。 1、I (meet) my old friend a moment ago. 2、There ( be ) some beautiful flowers and some water in the vase just now. 3、A : What you (do) last Friday ? B: I (go) to a concert. 4、A : you ( take ) part in the last singing contest. B: No, I . 5、Yesterday the girl (show) me a nice skirt. I (like) it very much. 6、I (make) a card for my cousin last Christmas. 7、A : they ( do ) their homework yesterday evening? B: Yes, they . 8、How many trees (be) there in the garden last month? 9、I (pick) apples on the farm last October. 10、I (be) ten years old last year. I (blow) ten candles on the cake.