I 'd be happy to

I used to be happy How happy I am ______ at school! A.\ B.to C.being D.to be He'd like (anyone)to be happy I wish you to be happy , I WANT YOU TO BE HAPPY I want to be happy forever是什么意思? Happy (I Used To Be) 歌词 I feel happy to be one of I want you to be happy forever I wait for you to be happy I'm happy to be with you I am happy to be with you