Remember to a good state of mind even if you should fail plenty of times．
A. take up
B. brush up
C. get up
D. keep up
网友回答
A. take up
B. brush up
C. get up
(答案→)D. keep up
解析：考查短语辨析。take up 从事，brush up刷光，擦亮，get up 起床，keep up 保持，句意：记住要保持良好的心态即使你会失败好多次。所以选D。