Why is she angry?
Because ...
Why did he stop smiling?
Because ...
Why was he sleepy?
Because ...
Why was the teacher angry?
Because ...
Why was he laughing
Because ...
Why did he blow kisses?
Because ...
Why did he miss the train?
Because ...
Why was he crying?
Because ...
Why did he say thank you?
Because ...
Why was he celebating?
Because ...