Watch the vedio and complete the following sentences. (观看视频,补充完整下列句子) H ow to be a good house guest? 1. Bring food, wine or beverages. Don’t show up empty-handed. 2. Keep everything you bring very _________. 3. At the end of your stay, tidy things up. 4. Send a __________ or __________ . It is really important to express your thanks beyond just verbally.