单句改错。 1. Restaurant owners should know how to make customers to spend more money. __________________________________________________ 2. People only sit for about 20 minutes after they leave. __________________________________________________ 3. For times an ad can lead you to buy something you don't need at all. __________________________________________________ 4. Sometimes we can be cheated by the ads for they are very confused. __________________________________________________ 5. His rudeness made me very annoying. __________________________________________________ |