The bikes produced in that factory are of high quality. So they well both at home and abr

问题补充：

The bikes produced in that factory are of high quality. So they well both at home and abroad.

A. sell

B. are sold

C. may be sold

D. are to be sold

答案：

(答案→)A. sell

B. are sold

C. may be sold

D. are to be sold

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