his letter,______ to the wrong number ,reached me late.having been addressed为什么用having,不用have,这个句子不是用现在完成时的被动语态吗?have+been+过去分词.该如何去判断.

he is busy ______(write) a letter to his friend. He is showing his mum his letter ______ Tim.到底填to还是from have you （）回复 to his letter show her his letter to tom中文 he______ ______a letter to his parents now. He is writing ________.A.his girlfriend a letter B.a letter his girlfriend C.his girlfriend to a letter ．—Have your parents allowed you ______ his letter? —Not yet. A．replying B．to reply．—Have your parents allowed you ______ his letter? —Not yet. A．replying B．to reply C．replying to D．to reply to the ______(invite) letter is from Lily to Meimei. Here is a letter from Tom to his a friend he wrote a letter to his friend改为否定句 He____(write)a letter to his e-friend tonight. He wrote a letter of ________ (invite) to his friends. a letter from Obama to his daughters完型填空, you must reply to his letter.求翻译 A Letter From Barack Obama To his daughters he____a letter to his mother already（Write） in r（） to his letter,Danny sent an email David will write a letter to his parents(对 write a letter to his parents提问）