问题补充：
The government is trying to do something to the employment rate so that more people have jobs.
A. add
B. gain
C. achieve
D. increase
答案：
A. add
B. gain
C. achieve
(答案→)D. increase
解析：动词辨析。Add增加，补充；gain得到；achieve获得；increase增加（数字）；句意：政府正在努力采取措施来增加就业率，以至于更多的人有工作可做。故D正确。
考点;考查动词辨析
