这句话的主语是 the driver,谓语动词有两个：gave,left.a few biscuits and a cup of coffee做gave的宾语,him是left的宾语.just outside the city是宾语补足语.He hitchhiked to Dover and,towards evening,went into a boat to find somewhere to sleep.句子成分主语he。谓语动词两个：hitchhiked andwent 。towards evening是时间状语。to find somewhere to sleep是目的状语。to Dover和into a boat呢