If we can keep this speed, we'll arrive there in two or three hours.A. onB. toC. upD. at

发布时间：2020-08-14 23:26:42

If we can keep       this speed, we'll arrive there in two or three hours.
A. on
B. to
C. up
D. at

网友回答

A. on
B. to
(答案→)C. up
D. at
解析：keep to 遵守，keep at 继续、坚持；keep up 保持
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