Can anyone please answer this

For this assignment, you will create a multimedia presentation in response to the following prompt: research suggests that laughter improves people’s emotional and physical well-being. create a multimedia presentation to inform the audience about the positive effects of laughter on emotional and physical health.

Which verb or verb phrase signals an inappropriate shift in mood. a) will you let b) should first change c) must attend d) will be served

Answer 3 and 5 for brainliest. i don’t have a link for #3 sadly.