It's very important for a student to ________ a good state of mind while taking the college entrance...
2023-02-04 07:53:43 144次 20102011江西赣县中学南北校区高二学年5月联考英语试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
It's very important for a student to ________
a good state of mind while taking the college entrance examination.
A．keep
out B．keep on C．keep up D．keep off
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