问题
单项选择题
It was difficult to（）how many trees had been destroyed.
A.measure
B.test
C.estimate
D.evaluate
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
It was difficult to（）how many trees had been destroyed.
A.measure
B.test
C.estimate
D.evaluate
参考答案：C