问题
单项选择题
The driver began to speed up to（）for the hour had lost in the traffic jam.
A.keep up
B.take up
C.catch up
D.make up
答案
参考答案：D
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The driver began to speed up to（）for the hour had lost in the traffic jam.
A.keep up
B.take up
C.catch up
D.make up
参考答案：D