求翻译 I was writing aletter when she called

求翻译 I was writing aletter when she called I was writing a letter when she called. luckily,she was in when i called. ---------------,she was in when i called (luck) ___(幸好),she was in when I called. He is writing aletter翻译,急 I was writing aletter to my friend in America.But it didn't ____ she came in,i was writing a letter A when B while C sin He was in when I called. When I called him,he was not in.When I called him,he was not 求翻译 i have to do my work by fits and starts,i was writing my When it was that i could finish writing the report