Annie often tells her classmates at the remote school in the mountain area and what she h

问题补充：

Annie often tells her classmates at the remote school in the mountain area and what she has done there as a volunteer.

A. life is how hard

B. what hard life is

C. how hard life is

D. how hard is life

答案：

A. life is how hard

B. what hard life is

(答案→)C. how hard life is

D. how hard is life

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