How long _______ at this job? —Since 1990

For fear of unemployment，almost one million people sat China’s civil service examination in order to get________ jobs.[ ]

Have you seen Rose recently— NoIt’s five years _____ I met her

Your coffee smells good!— It’s from Canada. Would you like _______

Her son was accused of cheating by the police, ________ made it difficult for her to go to sleep.