任务一：根据你的个人情况,完成下列两项调查。
1. If you tell your friend you are going to his house for dinner, you often arrive ______.
A. a bit early B. a bit late C. on time
2. You ______ visit your friend's house without calling first.
A. never B. often C. hardly ever

1. B（根据个人实际情况，若通常稍晚到，选B；答案不唯一，合理即可，此处给出一种常见情况）
2. C（根据个人实际情况，若几乎从不未打招呼拜访，选C；答案不唯一，合理即可，此处给出一种常见情况）

 任务二：预习 Section A 3a,将哥伦比亚人和瑞士人应该做或不应该做的事情填写在表格中。
| Country | be supposed to do | be not supposed to do |
| Colombia | ○______
○______ | ○______ |
| Switzerland | ○______

○______ | ○______ |

| Country | be supposed to do | be not supposed to do |
| Colombia | ○arrive a bit late
○often drop by friends' homes | ○make plans to meet friends |
| Switzerland | ○be on time
○make plans to see friends | ○visit a friend's house without calling first |