题目

看拼音，写字词。一zhèn秋风吹过，树叶fēn fēn飘落，冬天jiāng要来临。喜鹊趁着天气晴lǎng，衔来kū草做窝；寒号鸟què整天出去玩，最后在yè里冻死了。 答案：【1】阵【2】纷纷【3】将【4】朗【5】枯【6】却【7】夜---Did you notice someone enter the classroom just now?---Sorry, I didn’t. I _____ my lessons at that time.A. am doing B. didC. doD. was doing