1. He would enjoy this if he was present.这句话对吗

　　2. 34课 In the letter he was asked to call at the station. ‘课文注释 2 call at拜访也可用call on。’ 能用call on the station吗？ （我知道call at用于地点，call on用于人）但是从书上的注释2（158页）来看，好象是说能说call on the station ？