Why were you tired last Monday?
I was tired because ...
Why were you late to class?
I was late to class because ...
Why was your phone dead?
It was dead because ...
Why were you sad yesterday?
I was sad yesterday because ...
Why were you hungry after the meeting?
I was hungry because ...
Why were you happy last weekend?
I was happy because ...
Why were you excited yesterday?
I was excited because ...
Why were you surprised this morning?
I was surprised because ...
Why were you nervous before the test?
I was nervous because ...
Why were you stressed last week?
I was stressed last week because ...
Why was your mom angry last night?
She was angry because ...
Why was the flight delayed?
It was delayed because ...
Why were you angry with your friend?
I was angry with him/her because ...
Why was the passenger angry?
He was angry because ...
Why were your parents worried?
They were worried because ...
Why was your computer slow?
It was slow because ...