— Are you a teacher?— No, but I ________ in Quanzhou No. 3 High School for 3 years.
Tom has been absent for two days.Do you know what _________ to him?
--Which of the two films do you prefer? -- To tell you the truth,, I don’t like _________.
_________ it rain, the crops would be saved.
It was unwise of him to _________ the unreliable data in his speech.
-- I’m so sorry for breaking the plate, Mom. -- It doesn’t matter._________ careful next time.