Who ________ for the bullet train accident that has happened in Zhejiang,China?

few people, ______ have come to askfor the question, ______fit for the job.

Look! There is beautifulrainbow in the sky．—Take the books for me, I’dlike to take a photo of rainbow before itdisappears．

Do you know the boy_________ father died in the fire?

He is often made ________ for twelve hours a day by the boss.