whom is the letter

whom is the letter Whom is the letter from?什么意思? To whom is the letter addressed是什么句式 the letter is from my sister,( )is working in Beijing这句算不算非限制性定语从句,那么填whom对吗? She is the woman.I wrote a letter to her.改为定语从句变成定语从句是：She is the woman I wrote a letter to.可以改为：She is the woman to whom I wrote a letter. The letter is to Letter A is( )letter in the alphabet concern用法The differences concern the use of the postal addresses of the person to whom the letter is sent and the writer of the letter.中concern是什么词性什么 意思,顺便问一下make objects是什么意思, 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 Indicate whom you have asked to send recommendations.Note if the letter is enclosed or to be sent under separate cover directly to Graduate Committee. Whom is the ticket?如题