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问题: 此题为什么选C不选A?谢拉

此题为什么选C不选A?

When ____ with a strong enemy, they always retreated.
A.being faced B.facing C.faced D.being facing

解答:

因为When ____ with a strong enemy的逻辑主语就是:主句they always retreated.中的they,这时不需要用被动.



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