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Many of the problems had their origin post-war Europe. [ ] A. on B. of C. to D.

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Many of the problems had their origin post-war Europe. [ ] A. on B. of C. to D.

Many of the problems had their origin ________ post-war Europe.

[]A.

on

B.

of

C.

to

D.

in

试题答案

答案:D

解析:

句意为:许多问题起因于战后的欧洲。have one's origin in…起源于……。