关于英语代词的几个选择题各个题后括号内为答案,有几个题我对答案有点质疑,我需要一个详细的个选项对比解释.1.______

关于英语代词的几个选择题
各个题后括号内为答案,有几个题我对答案有点质疑,我需要一个详细的个选项对比解释.
1.______an English-Chinese diction.(D)
A.Each of the students has
B.The students each has
C.Each thr students has
D.The students each have
2._____have a racing bicycle.（B）
A.Each
B.Each of us
C.Every of us
D.We each
3.Of all my friends______is diligent as Tom.(D)
A.none
B.no one
C.either
D.neither
4._____parents are coming to Tokyo next week.(B)
A.Both of his
B.His both
C.The both his
D.The both of his
5.The parents hand nothing of_____before liberation.(D)
A.themselves
B.them
C.theirs
D.their own
6._____is_____family that the xillagers all admire it.(B)
A.It; such an united
B.His; such a united
C.Her's; so united a
D.Theirs; so an united