1.I asked Tom if he had finished his homework yet 2.I don't know if the watch was made in Shanghai为什么1中的you变成了he？ 2中从句是客观真理吗？1.因为从句部分的主语是Tom ,所以要变为 he我问Tom他是否已经完成了家庭作业2 第二句中的从句不是客观真理，只是文手表是否是上海产的~~由于手表已经生产出来，所以使用一般过去时