Were you happy at the Spring Festival last year?
问题描述：
Were you happy at the Spring Festival last year?
答
去年的春节你过得开心吗？
答
去年的春节，愉快吗？
答
答案：在去年的春节你过得开心吗?
答
yes,i was
no,i wasn't.
过去时态的一般疑问句，主语you变成i，be动词当然就是was。