When insects feed on decaying plant mate
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