英语语法题With ____ leaves ____ in the earth every year, the soil
英语语法题
With ____ leaves ____ in the earth every year, the soil becomes richer and richer.
A. falling; burying
B. fallen; buried
C. fallen; burying
D. falling; buried
为什么选B不选C?
With ____ leaves ____ in the earth every year, the soil becomes richer and richer.
A. falling; burying
B. fallen; buried
C. fallen; burying
D. falling; buried
为什么选B不选C?
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