主谓一致
　　6、One of Marx’s works written in English in the 1860s.
　　A.was B.were C.would be D.are
　　7、The sheets for your bed washing.
　　A.needs B.are needing C.want D.are wanting
　　8、On each side of the street a lot of trees.
　　A.stands B.grow C.is standing D.are grown
　　9、Some person calling for you at the gate.
　　A.are B.is C.is being D.will be
　　10、All that can be eaten eaten up.
　　A.are being B.has been C.had been D.have been

　　答案：
　　6、A
　　7、C
　　8、B 倒装句，要看后面的主语。
　　9、B some person指“某人”是第三人称单数。见讲解13。
　　10、B 主语“all”指的是“food”，所以代不可数名词，是第三人称单数。