根据句意和汉语注释，写出单词的正确形式。
He often plays __________ (排球) at the weekend with his friends.
Millie and Sandy are __________(成员) of the Reading Club.
My mother often does some shopping at ____________(周末).
His dream of being a teacher comes ____________(真的，真实的).
I know one of her __________ ( 业余爱好) is singing.