I receivd a letter writing in green ink.She did nothing but

I receivd a letter writing in green ink.She did nothing but 找出错误并改正!1．I received a letter writing in green ink.A B C D2． ____ she came in,i was writing a letter A when B while C sin She had finished writing the letter when I went in. She's writing a letter I was writing a letter when she called. I am writing a letter you in my school I'm writing a letter I am writing a letter. She is writing a letter now (1)I wrote a letter to her _blue ink A by B in C with (2)I w 改错：1.He writing a letter in the room.2.She can swims in the