过去进行时描述庆祝场景 — 英语词汇题
题目
用所给动词的过去进行时形式填空。At 8 p.m. last Saturday, Lucy and her friends were at the Spring Festival party. They ______ (watch) a dragon dance when the music started. Her grandparents ______ (chat) happily about the festival food, and her little brother ______ (take) photos with his new camera.