早教吧作业答案频道 -->英语-->
1：Theletter[]ImailedtomysisteramonthbeforeChristmashasnotyetreachedher.AthatBwhichC/Dalloftheabove此题为何选D.2：Ifyouknow[]itwasthewriteATaleofTwoCities,raiseyourhand.AwhomBwhichCwhoDthat此
题目详情
1：The letter[ ] I mailed to my sister a month before Christmas has not yet reached her.
A that B which C / D all of the above 此题为何选D.
2：If you know [ ] it was the write A Tale of Two Cities,raise your hand.
A whom Bwhich C who D that 此题为何选C而不是选A呢.
A that B which C / D all of the above 此题为何选D.
2：If you know [ ] it was the write A Tale of Two Cities,raise your hand.
A whom Bwhich C who D that 此题为何选C而不是选A呢.
▼优质解答
答案和解析
理由很简单,定语从句的引导词that/which/who如果做从句的主语不能省略,而定语从句的引导词that/which/whom如果做从句的宾语就可以省略.
例句1中：I mailed (the letter) to my sister,做宾语
例句2中：it was (who) that writes A Tale of Two Cities.it was...that...是强调句,把主语who提到句首强调了,原句结构是who writes A Tale of Two Cities,做主语.
很清楚了吧,
例句1中：I mailed (the letter) to my sister,做宾语
例句2中：it was (who) that writes A Tale of Two Cities.it was...that...是强调句,把主语who提到句首强调了,原句结构是who writes A Tale of Two Cities,做主语.
很清楚了吧,
看了1：Theletter[]Im...的网友还看了以下：
由“2,a,b”三个元素构成的集合与由“2a,2,b”三个元素构成的集合是同一个集合,求a,b的值 2020-04-05 …
使等式√(a+2)(2-a)=√a+2×√2-a成立的条件是（）A a＞＝-2 B a＜＝2 C 2020-04-06 …
1.（a^2+3）(a-2)-a(a^2-2a-2)=?2.(3/5a^5b^3+9/5a^7b^ 2020-04-27 …
已知集合A={x│x∧2+(2-a)x+1=0,x∈R},若A包含于{x│x>0},求实数a的取值 2020-05-15 …
设集合A={1,a,b},B={a,a^2,ab}且A=B,求实数A,B的值因为集合需要满足互异性 2020-05-15 …
数列证明题（在线等,完成后在多给分）下面的a(1),a(2),.a(n)都是数组的项.a(n)*2 2020-06-06 …
已知命题p:"对任意x属于[1,2],x^2-a>=0",命题q:"存在x0属于R,x0^2+2a 2020-07-29 …
(1/2)命题“任意一个x属于[1,2],x^2-a小于等于0”为真命题的一个充分不必要条件是() 2020-08-01 …
数学老师给学生出了一道题,计算:(2(a+b)^5-3(a+b)^4+(-a-b)^3)/(2(a+ 2020-12-09 …
下列给出的赋值语句正确的有（）（1）赋值语句2=A；（2）赋值语句x+y=2；（3）赋值语句A-B= 2020-12-31 …