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

题目简介

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

题目详情

If we can keep _____  this speed, we'll arrive there in two or three hours.
A.onB.toC.upD.at
题型:单选题难度:偏易来源:不详

答案

C
keep to 遵守,keep at 继续、坚持;keep up 保持

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