Give the correct:simple past or present perfect
The floor looks dirty.I'm sure you (not clean up)......
(you/enjoy)......the party last night?
My bicycle isn't here. I think someone(just take)......
They(know).....each other since they were children
They are the most kind-hearted people he(ever meet).....
He was late yesterday because he(be).......stuck in the traffic jam
Last year,he(donate).....99% of his fortune to charitable organizations
I(be).......a member of this non-profit organization since 1996.
She(make)......many new friends since she joined this English club.
Last month I (feel)...happy when I cooked a meal for the elderly at a nursing jome