带括号有一个选项是错的,我想知道错的原因还有如何改正,

带括号有一个选项是错的,我想知道错的原因还有如何改正,
1.the(A typewriter),(B which it is )one of the word's great(C incentions)(D has been)(D replaced)by the word processor
2.The days become (A more long)(B as)the sun moves into a (C wider) orbit (D farther)from the earth
3.(A before design)the building,the architect(B studied)the (C plans of)other buildings (D built near)
4.The cowboy turned (A and rode)towards the sun,(B but)neither the horse(C or he)knew the the exact path home,(D and)sonn both were lost
5.THe (A strange)sound that came through(B the thick)walls separating (c the two)buildings seened to be as close (D than) next door
6.he (can"t)hardly remember the accident beacuse he was only a (B four-year-old)boy(C when)(d it)occurred
7.(A wealth)depends(b to)a great extent(C in)a country's natural resources ,such as coal,gold,(D other minerals),and so on
8.(A hardly he had)entered the shop (B when)he realized that (C he had forgotten)(D his) wallet
9.(A it)is not impossible to overcome the difficulties (B of learning)a new language (C if)one(D will have)the right attitude
10.there(A are) not (B many)people(C which)adapt to a new culture without (D feeling) some disorientation at first

1.b which is定语从句引导词which在从句总做主语不需要it了
2.a much longer 其中more是构成多音节比较级的,而long的比较级是longer改为much修饰
3.a.before designing介词后面遇到动词,动词要用ing形式
4.c.nor he搭配neither .nor
5.d as搭配as.as
6.a can其中hardly本身含有否定意义不需要在加not
7.b on搭配depend on依靠.
8.a Harldly had he固定搭配 否定词前置部分倒装
9.d has主将从现 尽管主句形式不是将来时 但是表达将来的含义
10.c who 定语从句中先行词是人可选用引导词that或者who不能用which