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

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

If we can keep _____  this speed, we'll arrive there in two or three hours.

A.on

B.to

C.up

D.at

试题答案

C

keep to 遵守,keep at 继续、坚持;keep up 保持