How old is your child? What grade are they in?

你家孩子今年几岁了？在上几年级？

同一单元的其他句子

• I heard you changed jobs recently. How's the new environment?我听说你最近换了工作，新环境怎么样？
• The party last weekend was great; we haven't had that much fun in a while.上周末的聚会很棒，我们好久没有这么开心了。
• Have you seen that newly released movie? The reviews are quite good.你有没有看过那部新上映的电影？评价很不错。
• I've been learning to cook lately. My skills are average but it's fun.我最近在学做菜，虽然水平一般但很有趣。
• Do you have plans for the National Day holiday? Want to travel together?你国庆假期有什么计划吗？要不要一起去旅行？