◎ 题干
It is very difficult to _____ the green beans from the red ones, because there are too many of them.

[     ]

A. work out
B. watch over
C. set down
D. sort out
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“It is very difficult to _____the green beans from the red ones, because there are too many of them. [ ]A. work out B. watch over C. set down D. sort out …”主要考查了你对  【动词短语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。