You _______________ (give) him some advice.He was too upset at that time.
你好，括号中填写shouldhavegiven.因为时间是指从atthattime(那个时候）到现在这段时间，建议“你在这段时间范围内应该完成这个动作”，所以主句用现在完成时态。You(shouldhavegive)himsomeadvice.Hewastooupsetatthattime.中文意思：你应该给他一些建议，他那时太沮丧了。
