求讲解The letter is from my sister,______is working in Beijing.（D）A.which B.that C.whom D.who 选A可不可以?.In our factory there are 2,000 workers,two thirds of ____are women.（C）A.them B.which C.whom D.who 选B可不可以,介词后不

it is _____ (help)to ask the teacher fro advice whom is the letter The letter is to what letter is three to the left of the letter 求翻译 Letter A is( )letter in the alphabet The letter (that)I received was fro这句话哪个是主句,哪个是从句,that为什么做宾语 who is the letter from What is the letter about? who is the letter from? Who is the letter from? Who is the letter to? The letter is ( )Mike ( ) Nancy Which letter is the ocean? what is the longest letter which letter is vegetawhat is the longest letterwhich letter is vegetable life is the bggest pride in adult in childhood dream 求讲解求讲解 I is the ()() letter in the ABC spring usually comes at()and it's summer in ()(),and().()is the best season in beijing and it's fro The letter V is black and white?