A government official was murdered last Friday and the police are collecting information that is ____ to the case.

For fear of unemployment, almost one million people sat （参加考试）China civil service examination in order to get  ________jobs.

Though the long-distance runner ______ his previous record last month, his trainer let him ______  its speed as he went around the curve.．

She has already tried her best. Please don’t be _____ about her job.

Scientists are increasely _____ that the earth is getting hotter because of carbon dioxide and other gases.