我捉弄了她，假装忘记了她的生日。

I ___played ___a ___trick ___on her and pretended I'd forgotten her birthday.

她没有意识到他们只是在开她的玩笑。

She didn't realize they were just ___playing ___a ___joke ___on her.

他最好的朋友约翰无法忍受帕特总是泄露他的秘密，所以决定捉弄他。

His best friend John couldn't put up with Pat always revealing his secrets, so decided to ___play ___a ___trick ___on him.