· What did Bill do last month?· Where is Jiuzhaigou? What is Jiuzhaigou famous for? What did Bill's father do before their trip? · What did Bill think of the monkeys and pandas there?· How was their trip? · How did Bill feel? . What is Bill's email about?

tour, trip & travel {tour:"n.周游”，指途中在许多地方作短暂停留的观光旅游。 {trip: “n.旅行”，指往返有定的短途旅行,强调在途中所花的时间和行程。 { travel: "v. & n.旅行”，表示旅行的路途远，时间长。