billy is writing a letter to his friend now,用yesterday改写,怎么写

billy is writing a letter to his friend now,用yesterday改写,怎么写 My brother is writing a letter to his friend now (用tonight) she is writing a letter now.(用tomorrow改写句子) MIke is writing a letter to his friend when his mother _____ Wang Bing is writing an e-mail to his friend now.用often替换now writing,his,to,he,is,now,friend连词成句 Mike writes a letter to his friend now look he is （writing） a letter to his a,letter,was,just,i,now,writing怎么写 用中文怎么说 millie is writing a letter to her friend about the fa 用be going to 句型改写he wrote his mother a letter yesterday.he（） 改句子 英语句子 改写句子 1.Amy is writing a letter now.（用at 7：00 yester