.a bicycle to use you have to insert a special card.A. TakingB. To takeC. For taking.D. Ta

问题补充：

.

a bicycle to use,you have to insert a special card.

A. Taking

B. To take

C. For taking.

D. Taken.

答案：

A. Taking

(答案→)B. To take

C. For taking.

D. Taken.

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