问题
选择题
The water and soil conservation project resulted in farmers ______ the crops on the farmland _____ trees and grass.
A．to replace; with
B．to replace; for
C．replacing; with
D．replacing; for
答案
答案：C
题目分析：
replace A with B ,用B替换成A
replce A for B ,为了B,取代A.
句意：水土保护工程使农民们将耕地中的庄稼替换成树和草。
replace的逻辑主语是farmers,主动关系，表伴随，to replace表目的，表将来。故选C
点评：本题不难，重在理解replace两个短语的用法区别。