when i came back,i saw Tom()adiaryA.writingB.was writing选哪个,为什么?快
问题描述:
when i came back,i saw Tom()adiary
A.writing
B.was writing
选哪个,为什么?
快
答
答案:A
翻译:我回来的时候,看见汤姆正在写日记.
see sb.doing sth.看见某人正做某事.