your mother has received your letter. 改为被动句

your mother has received your letter. 改为被动句 Jim hasn't received a letter from his mother.(改为同义句) Jim has Have you received a letter from your mother 的同义句是? He has received your letter,He received it three doys ago Tom has told you that your mother was in the hospital怎么改成被动句 Thanks for your letter.(改为同义句 has just received Your greetings! Your letter is received with thanks.是什么意思 I'VE RECEIVED YOUR LETTER JUST NOW I've received your letter.Thank you! What about your mother?(改为同义句) What's your mother?(改为同义句)