He wrote ______ letter to his parents yesterday.

He wrote ______ letter to his parents yesterday. he wrote [ ] letter to his parents yesterday. he wrote ____ letter to his parents yeaterday.he wrote ____ 用be going to 句型改写he wrote his mother a letter yesterday.he（） he wrote a letter to his friend yesterday afternoon(用from5:0 He wrote a letter to his friend yesterday.(改为一般问句) He wrote a letter to his friend yesterday afternoon 加from5:0 he wrote his mother a letter yesterday 改为将来时 He wrote to his mother yesterday.(将yesterday改为tomorrow) He wrote a letter of ________ (invite) to his friends. Last night he wrote a ( ) letter to his friend. he wrote a letter to his friend改为否定句