He came________where I was hiding and my heart beat faster.[ ]

r, happiness ________ helping thosein trouble.

This zoo isn’t open to the public on Mondays，________—No，it isn’t.

It’s thirty years since we last met． —-But I still remember the story, believe it or not, _____ we got lost on a rainy night．

_________ the flight to New York will be delayed is _________ I’m especially worried about.