请教些英语题目原因~~~急~~

A
A
B
each/either
C
A
C

2.By the way,who will teach (A) English next term?
A.us B.our C.ours D.we
作宾语用宾格
5.(B) child will find his personal road to success.
A.Every B.Each C.Some D.The
each个性 every共性
6.Some boys have two names,while (B) boys have three names.
A.the other B.other C.another D.others
泛指不用冠词，有名词不用others
14.There are flowers and trees on (C) side of the river.
A.every B.both C.myself D.I myself
选项有问题 either/each
河只有两岸
18.The teacher asked Tom,Bill and (C) to go to his office.
A.we B.I C.me D.we three
宾格 me
19.His composition is better than (A) in our class.
A.anyone else's B.anyone's else
C.anyone else D.anyone's else's
固定用法
24.---Who broke the glass?
---I suppose (C) must be one of the children.
A.the one B.he C.it D.who
推测，不知道是男是女

A(动词后用宾格），D（his有特指，前两个选项用法没差），B（A选项特指与前不一致，C意为另一个，