18. Deng Xiaoping was our general designer of reform and opening up to the outside world(改

问题补充：

18. Deng Xiaoping was our general designer of reform and opening up to the outside world(改革开放). After he passed away, his were scattered over the sea.

A. ashes

B. ash

C. dusts

D. Dust

答案：

A. ashes

B. ash

C. dusts

D. Dust

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