They often change the kind of crop in ea
题型:选择题
问题:
They often change the kind of crop in each field ____ few years, for example, growing corn or wheat and then the next year peas or soybeans.
A.every
B.a
C.each
D.some
They often change the kind of crop in each field ____ few years, for example, growing corn or wheat and then the next year peas or soybeans.
A.every
B.a
C.each
D.some