When insects feed on decaying plant materi
题型:单项选择题
问题:
When insects feed on decaying plant material in a compost pile, they help turn it into useful garden soil.()
A. available
B. organic
C. distasteful
D. decomposing
When insects feed on decaying plant material in a compost pile, they help turn it into useful garden soil.()
A. available
B. organic
C. distasteful
D. decomposing