易错难点问题：
subject: n.主题
the subject of the email 邮件主题
82. Possible answer: My graduation study tour to Singapore.
83. Possible answer: I like the study tour because it included study, sightseeing and food experiences. Students could open their eyes and make new friends. I think it could be better if students stayed with local families, because they could learn more about local life and culture.
I think the tour is well planned. I like the school visit because students can join real classes. To improve it, I would add more cultural activities, such as visiting a local family, so students can learn more about life in Singapore.
78. Yes, she did.
79. She felt nervous.
80. She got Bella a postcard of the Merlion.
81. Because the lions were sleeping.
82. Possible answers:My graduation study tour to Singapore.
83. Possible answers:
I like the study tour because it included study, sightseeing and food experiences. Students could open their eyes and make new friends. I think it could be better if students stayed with local families, because they could learn more about local life and culture.
I think the tour is well planned. I like the school visit because students can join real classes. To improve it, I would add more cultural activities, such as visiting a local family, so students can learn more about life in Singapore.
